Encycolorpedia

#494243 Hex Code Couleur

#494243 Paint ChipLe code hexadécimal de la couleur #494243 est une foncé moyen teinte de couleur rose-rouge. Dans le modèle de couleur RVB #494243 est constitué de 28.63 % de rouge, 25.88 % de vert et le bleu à 26.27 %. En l'espace colorimétrique HSL #494243 a une teinte de 351° (degrés), la saturation 5 % saturation et la légèreté 27 %. Cette couleur a une longueur d'onde approximatif de 494.3 nm.

Variations de couleur

Noms de Couleur

Schémas de couleurs

Télécharger: GIMP GPL Adobe ASE (Adobe Swatch Exchange) Sketch Palette

Couleurs monochromatiques

  1. #3e3738
  2. #413a3b
  3. #453e3f
  4. #494243
  5. #4d4647
  6. #514a4b
  7. #554e4f

Teintes et nuances

#494243 au blanc

  1. #494243
  2. #645e5f
  3. #817c7d
  4. #9f9b9c
  5. #bebbbc
  6. #dedddd
  7. #ffffff / #fff

#494243 au noir

  1. #494243
  2. #3d3838
  3. #322d2e
  4. #272424
  5. #1c1a1a
  6. #111010
  7. #000000 / #000

Couleurs de peinture

Peintures similaires

  1. Pantone / PMS

    1. ★ 439 CP
      #474041
      ΔE = 0.877 / LRV ≈ 5.4%
    2. P 176-16 U
      #4b4b4a
      ΔE = 4.425 / LRV ≈ 7.0%
  2. Behr

    1. ★ Sarsaparilla HDC-AC-26
      #4a4143
      ΔE = 1.000 / LRV ≈ 5.6%
    2. Catwalk N550-7
      #4a464a
      ΔE = 2.729 / LRV ≈ 6.3%
  3. Nerolac

    1. ★ Blackberry - 2875
      #464042
      ΔE = 1.208 / LRV ≈ 5.4%
    2. Mustang - 2868
      #4e4541
      ΔE = 3.404 / LRV ≈ 6.3%
  4. Resene

    1. ★ Double Sidewinder N38-008-359
      #473f40
      ΔE = 1.287 / LRV ≈ 5.3%
    2. Crater Brown M37-015-028
      #4d3e3c
      ΔE = 4.007 / LRV ≈ 5.3%
  5. Coronado Paint

    1. ★ 8229 - Evening Empress
      #464140
      ΔE = 1.608 / LRV ≈ 5.5%
    2. 8213 - Dark Berry
      #453d40
      ΔE = 2.398 / LRV ≈ 5.0%
  6. Sigma

    1. ★ Warm Red / S 8005-R20B
      #494547
      ΔE = 1.743 / LRV ≈ 6.1%
    2. Warm Red / 2306 B
      #493f3a
      ΔE = 4.046 / LRV ≈ 5.3%
  7. CIL

    1. ★ Rum Raisin
      #4e4446
      ΔE = 1.770 / LRV ≈ 6.2%
    2. Scottsdale Brown
      #513f3f
      ΔE = 4.631 / LRV ≈ 5.7%
  8. ICI Paints

    1. ★ Shaker Village 30RR 08/044
      #4d4447
      ΔE = 1.791 / LRV ≈ 6.2%
    2. Light's Out 50BG 08/021
      #424647
      ΔE = 4.680 / LRV ≈ 6.0%
  9. Glidden

    1. ★ Western Charcoal / 50YR 06/041
      #49413f
      ΔE = 1.935 / LRV ≈ 5.6%
    2. Black Walnut / PPG1014-7
      #554747
      ΔE = 4.055 / LRV ≈ 6.9%
  10. Sherwin-Williams

    1. ★ Darkroom - 7083
      #443e40
      ΔE = 1.976 / LRV ≈ 5.0%
    2. Perle Noir - 9154
      #4f4d51
      ΔE = 5.190 / LRV ≈ 7.6%
  11. Model Master

    1. ★ Model Master 2735
      #433f40
      ΔE = 2.008 / LRV ≈ 5.1%
    2. Model Master 28142
      #3e3a3b
      ΔE = 4.016 / LRV ≈ 4.4%
  12. Kelly-Moore

    1. ★ Dark Glasses / AC256-5
      #4c4341
      ΔE = 2.085 / LRV ≈ 5.9%
    2. In the Dark / KM3784-5
      #48494c
      ΔE = 4.273 / LRV ≈ 6.7%
  13. Peintures MF

    1. Watson
      #45413f
      ΔE = 2.351 / LRV ≈ 5.4%
    2. Jacksonville
      #4a403c
      ΔE = 3.379 / LRV ≈ 5.4%
  14. Crown Diamond

    1. 7409-83 Band
      #464443
      ΔE = 2.361 / LRV ≈ 5.8%
    2. 7408-83 Black Lacquer
      #403f42
      ΔE = 3.370 / LRV ≈ 5.0%
  15. Chrysler

    1. Metallic Charcoal
      #484647
      ΔE = 2.365 / LRV ≈ 6.2%
    2. Executive Gray
      #444649
      ΔE = 4.089 / LRV ≈ 6.1%
  16. Jotun

    1. 0734 / Brunsvart
      #444241
      ΔE = 2.403 / LRV ≈ 5.5%
    2. 2149 / Coffee
      #514240
      ΔE = 3.887 / LRV ≈ 6.0%
  17. Nippon Paint

    1. Volcanic Black / NP N 1918 A
      #463d40
      ΔE = 2.404 / LRV ≈ 5.0%
    2. Painted Faces / NP N 1925 A
      #4e4643
      ΔE = 2.993 / LRV ≈ 6.4%
  18. Dulux

    1. Deepest Burgundy
      #4e4448
      ΔE = 2.427 / LRV ≈ 6.2%
    2. Maraschino Mocha 1
      #45383b
      ΔE = 4.622 / LRV ≈ 4.4%
  19. Teknos

    1. GG770
      #433d3d
      ΔE = 2.438 / LRV ≈ 4.9%
    2. PR550
      #4e4c4c
      ΔE = 4.340 / LRV ≈ 7.3%
  20. Natural Color System / NCS

    1. S 7005-R50B
      #4a4348
      ΔE = 2.456 / LRV ≈ 5.9%
    2. S 7502-Y
      #46403b
      ΔE = 3.849 / LRV ≈ 5.3%
  21. Porter Paints

    1. Phantom Mist / 530-7
      #4b4441
      ΔE = 2.540 / LRV ≈ 6.0%
    2. Black Magic / 518-7
      #414040
      ΔE = 2.856 / LRV ≈ 5.2%
  22. PPG Pittsburgh Paints

    1. Phantom Mist / PPG1002-7
      #4b4441
      ΔE = 2.540 / LRV ≈ 6.0%
    2. Black Elegance / PPG1004-7
      #50484a
      ΔE = 2.818 / LRV ≈ 6.8%
  23. Magnolia Home

    1. Repurpose / JG-148
      #453e3c
      ΔE = 2.613 / LRV ≈ 5.0%
    2. Locally Grown / JG-126
      #43403c
      ΔE = 3.780 / LRV ≈ 5.2%
  24. Federal Standard

    1. Federal Standard 37031
      #434244
      ΔE = 2.615 / LRV ≈ 5.5%
    2. Federal Standard 37038
      #424243
      ΔE = 2.919 / LRV ≈ 5.5%
  25. Diamond Vogel

    1. Eleanor Ann / 1229
      #4d4449
      ΔE = 2.723 / LRV ≈ 6.2%
    2. Octavius / 0522
      #47474b
      ΔE = 3.834 / LRV ≈ 6.4%
  26. Colortrend

    1. 1229
      #4d4449
      ΔE = 2.723 / LRV ≈ 6.2%
    2. 0522
      #47474b
      ΔE = 3.834 / LRV ≈ 6.4%
  27. 1829

    1. Clove Brown
      #504746
      ΔE = 2.734 / LRV ≈ 6.7%
    2. Jet Black
      #444548
      ΔE = 3.634 / LRV ≈ 6.0%
  28. Levis

    1. Lush Taupe
      #474340
      ΔE = 2.740 / LRV ≈ 5.7%
    2. Atl Ombre A2
      #41393b
      ΔE = 3.919 / LRV ≈ 4.4%
  29. Vista Paint

    1. Evening Empress
      #433c3c
      ΔE = 2.746 / LRV ≈ 4.8%
    2. New Uniform
      #49484c
      ΔE = 3.790 / LRV ≈ 6.6%
  30. Scib Paints

    1. Evening Empress / 8229
      #433c3c
      ΔE = 2.746 / LRV ≈ 4.8%
    2. New Uniform / 8261
      #49484c
      ΔE = 3.790 / LRV ≈ 6.6%
  31. Berger

    1. Evening Empress / 8229
      #433c3c
      ΔE = 2.746 / LRV ≈ 4.8%
    2. Opening Night / 8301
      #42423e
      ΔE = 4.369 / LRV ≈ 5.4%
  32. Ford

    1. Midnight Gray
      #444444 / #444
      ΔE = 2.815 / LRV ≈ 5.8%
    2. Graphite
      #414141
      ΔE = 3.039 / LRV ≈ 5.3%
  33. Bristol

    1. Black Sea / P226-N7
      #444444 / #444
      ΔE = 2.815 / LRV ≈ 5.8%
    2. Blackheath / P236-N7
      #53474c
      ΔE = 4.061 / LRV ≈ 6.9%
  34. Dupont

    1. CAS791
      #514544
      ΔE = 2.958 / LRV ≈ 6.4%
    2. CAS807
      #4d453e
      ΔE = 4.924 / LRV ≈ 6.2%
  35. Mylands of London

    1. Shepherds Bush Brown
      #464646
      ΔE = 2.995 / LRV ≈ 6.1%
    2. Night Sky
      #46474b
      ΔE = 4.125 / LRV ≈ 6.3%
  36. Benjamin Moore

    1. Plum Martini / CSP-540
      #413d40
      ΔE = 3.023 / LRV ≈ 4.8%
    2. Notre Dame / CSP-570
      #414444
      ΔE = 4.249 / LRV ≈ 5.7%
  37. California Paints

    1. DE 6357 - Black Tie
      #464647
      ΔE = 3.031 / LRV ≈ 6.1%
    2. DE 6350 - Dark Engine
      #3e3f41
      ΔE = 3.982 / LRV ≈ 5.0%
  38. Dutch Boy

    1. Anchoring Neutral
      #463e3b
      ΔE = 3.065 / LRV ≈ 5.1%
    2. Rivet-ing
      #4f4842
      ΔE = 4.810 / LRV ≈ 6.7%
  39. Clark+Kensington

    1. Midnight Stroll / N-C16
      #41403f
      ΔE = 3.105 / LRV ≈ 5.1%
    2. Strong Influence / N-C32
      #514948
      ΔE = 3.328 / LRV ≈ 7.0%
  40. Asian Paints

    1. Black Currant / 9461
      #414043
      ΔE = 3.148 / LRV ≈ 5.2%
    2. Raven Song / 8253
      #404040
      ΔE = 3.233 / LRV ≈ 5.1%
  41. Vallejo

    1. Vallejo 70.872 #149
      #483d3b
      ΔE = 3.154 / LRV ≈ 5.0%
    2. Vallejo 70.830 #102
      #433d37
      ΔE = 4.967 / LRV ≈ 4.8%
  42. General Paint

    1. Eclipse / CL 3257N
      #4c4440
      ΔE = 3.157 / LRV ≈ 6.0%
    2. Witching Hour / CL 3187N
      #4f4e4f
      ΔE = 5.203 / LRV ≈ 7.7%
  43. AMC

    1. Medium Gloss Black
      #464648
      ΔE = 3.165 / LRV ≈ 6.2%
    2. Twilight Gray
      #454441
      ΔE = 3.522 / LRV ≈ 5.8%
  44. Volkswagen

    1. Toffee Gray
      #474747
      ΔE = 3.172 / LRV ≈ 6.3%
    2. Mocha Brown
      #3e3e3e
      ΔE = 3.750 / LRV ≈ 4.8%
  45. Sikkens

    1. A0.05.25
      #524649
      ΔE = 3.207 / LRV ≈ 6.7%
    2. ON.00.26
      #4c4b4a
      ΔE = 4.234 / LRV ≈ 7.1%
  46. Beckers

    1. Skorsten 519 / S 7500-N
      #404040
      ΔE = 3.233 / LRV ≈ 5.1%
    2. Diesel 793 / S 7502-B
      #3f3f44
      ΔE = 4.302 / LRV ≈ 5.0%
  47. Caparol

    1. 25/19
      #404040
      ΔE = 3.233 / LRV ≈ 5.1%
    2. 45 2 37 / Ferro 15
      #4c4850
      ΔE = 5.037 / LRV ≈ 6.8%
  48. Valspar Paint

    1. New Black
      #4a484b
      ΔE = 3.277 / LRV ≈ 6.6%
    2. Antique Burgundy
      #4e3e3f
      ΔE = 3.806 / LRV ≈ 5.4%
  49. British Standard

    1. BS 2660 BS 3-039 - Chocolate
      #473c3a
      ΔE = 3.443 / LRV ≈ 4.9%
    2. BS 4800 10 B 29 - Vandyke brown / Ironstone
      #4a4742
      ΔE = 4.318 / LRV ≈ 6.4%
  50. Tollens

    1. T2128-3
      #4f4845
      ΔE = 3.462 / LRV ≈ 6.7%
    2. T2132-3
      #53494e
      ΔE = 4.285 / LRV ≈ 7.2%
  51. Craig & Rose

    1. Caviar
      #3f3f3f
      ΔE = 3.473 / LRV ≈ 5.0%
  52. Lascaux

    1. Transoxide black / 183
      #3f3f40
      ΔE = 3.476 / LRV ≈ 5.0%
  53. Evonik-Degussa

    1. 803
      #514245
      ΔE = 3.477 / LRV ≈ 6.1%
    2. 553
      #3d3b39
      ΔE = 4.606 / LRV ≈ 4.4%
  54. Duron

    1. Iron Ore
      #414244
      ΔE = 3.478 / LRV ≈ 5.4%
    2. Urbane Bronze
      #4d4842
      ΔE = 4.809 / LRV ≈ 6.6%
  55. Dulux Australia

    1. Wayward Grey / GR7
      #3f3c3e
      ΔE = 3.490 / LRV ≈ 4.6%
    2. Marais / GR13
      #403d41
      ΔE = 3.568 / LRV ≈ 4.8%
  56. Vallejo Model Color

    1. German Grey (995)
      #4d4a4a
      ΔE = 3.491 / LRV ≈ 7.0%
  57. Reaper Master

    1. Pure Black (9103)
      #4d4a4a
      ΔE = 3.491 / LRV ≈ 7.0%
  58. Old Citadel

    1. Charadon Granite
      #4d4a4a
      ΔE = 3.491 / LRV ≈ 7.0%
  59. Vallejo Game Color

    1. Heavy Charcoal (155)
      #4d4a4a
      ΔE = 3.491 / LRV ≈ 7.0%
  60. Disney

    1. 4C-20-4 Cenema Star
      #423f3c
      ΔE = 3.493 / LRV ≈ 5.0%
    2. 4B-10 Mouse Ears
      #3b3b3b
      ΔE = 4.743 / LRV ≈ 4.4%
  61. New Look

    1. Siberian Nights / A04-10
      #40403f
      ΔE = 3.500 / LRV ≈ 5.1%
    2. Turbo Charged / A04-09
      #4a4a4c
      ΔE = 4.099 / LRV ≈ 6.9%
  62. Wattyl

    1. Colorbond Night Sky ® / A29W
      #40403f
      ΔE = 3.500 / LRV ≈ 5.1%
    2. Grey Ember / A39W
      #4a4a4c
      ΔE = 4.099 / LRV ≈ 6.9%
  63. Taubmans

    1. Onyx Ring / T12 9.H3
      #464542
      ΔE = 3.567 / LRV ≈ 6.0%
    2. Wongulla Night / T10 37L-2
      #45464d
      ΔE = 5.068 / LRV ≈ 6.2%
  64. KILZ

    1. Midnight Burgundy / A912
      #514449
      ΔE = 3.606 / LRV ≈ 6.4%
    2. Grate Black / G911
      #49474c
      ΔE = 3.718 / LRV ≈ 6.4%
  65. Olympic

    1. Blackhearth D44-6
      #48454b
      ΔE = 3.651 / LRV ≈ 6.1%
    2. Dark Granite D32-6
      #4e443f
      ΔE = 3.943 / LRV ≈ 6.1%
  66. Cloverdale Paint

    1. Dark Berry / 8213
      #51494d
      ΔE = 3.686 / LRV ≈ 7.1%
    2. Evening Empress / 8229
      #504c4b
      ΔE = 4.327 / LRV ≈ 7.4%
  67. Brillux

    1. 18.06.30
      #433a39
      ΔE = 3.723 / LRV ≈ 4.5%
    2. 33.06.30
      #544a50
      ΔE = 4.964 / LRV ≈ 7.4%
  68. RAL

    1. RAL 8019 / Grey brown
      #403a3a
      ΔE = 3.735 / LRV ≈ 4.4%
  69. Flügger

    1. Lavasten (U-737)
      #413e3b
      ΔE = 3.747 / LRV ≈ 4.9%
    2. Oxyderet Grå (H 08)
      #4b4641
      ΔE = 3.958 / LRV ≈ 6.3%
  70. Alcro

    1. Siames
      #4b4a4a
      ΔE = 3.759 / LRV ≈ 6.9%
    2. Asfalt
      #3e393d
      ΔE = 4.584 / LRV ≈ 4.3%
  71. Marston & Langinger

    1. Dark Bay
      #524542
      ΔE = 3.907 / LRV ≈ 6.4%
  72. Devoe Paint

    1. Dark Secret / 00NN 05/000
      #3f3d3b
      ΔE = 3.926 / LRV ≈ 4.7%
    2. Deep Onyx / 00NN 07/000
      #474642
      ΔE = 4.102 / LRV ≈ 6.1%
  73. Crown Paint

    1. Penny Black
      #454749
      ΔE = 4.048 / LRV ≈ 6.3%
    2. Coffee Shop
      #544944
      ΔE = 5.098 / LRV ≈ 7.1%
  74. GM / General Motors

    1. Mocha
      #493b3a
      ΔE = 4.048 / LRV ≈ 4.9%
    2. Knickerbocker Gray
      #3c3c3c
      ΔE = 4.391 / LRV ≈ 4.5%
  75. Audi

    1. Amethistgrau Pearl / B2, LZ4V
      #47474c
      ΔE = 4.170 / LRV ≈ 6.4%
    2. Lava Gray Pearl / 1R, 1R1R, 1RPA, 1RSW, 41, LZ7L
      #3b393a
      ΔE = 4.909 / LRV ≈ 4.2%
  76. Humbrol

    1. 10 Service Brown
      #3e3a39
      ΔE = 4.255 / LRV ≈ 4.3%
    2. 173 Track Colour
      #443736
      ΔE = 5.198 / LRV ≈ 4.2%
  77. Games Workshop - Citadel

    1. Skavenblight Dinge
      #47413b
      ΔE = 4.317 / LRV ≈ 5.4%
  78. Pratt & Lambert

    1. African Night 32-18
      #43413c
      ΔE = 4.390 / LRV ≈ 5.3%
    2. Anubis 32-17
      #3d3937
      ΔE = 4.908 / LRV ≈ 4.2%
  79. Graham & Brown

    1. Cat Black
      #3c3c3c
      ΔE = 4.391 / LRV ≈ 4.5%
  80. Ralph Lauren

    1. Old Violin / RLVM2101
      #4c423c
      ΔE = 4.395 / LRV ≈ 5.8%
    2. Artist Grey / RLUL219
      #42454a
      ΔE = 4.869 / LRV ≈ 5.9%
  81. Rodda Paint

    1. Chocolate H142
      #4e413c
      ΔE = 4.439 / LRV ≈ 5.7%
    2. Beauport Aubergine H67
      #523f43
      ΔE = 5.087 / LRV ≈ 5.8%
  82. Australian Standard AS2700

    1. N65 Graphite Grey
      #44474a
      ΔE = 4.560 / LRV ≈ 6.2%
  83. Tamiya

    1. Tamiya 85305, MS-5
      #4c4c4c
      ΔE = 4.590 / LRV ≈ 7.2%
  84. Tikkurila

    1. 548X
      #4f4640
      ΔE = 4.593 / LRV ≈ 6.4%
    2. 564X
      #3b3c3c
      ΔE = 4.806 / LRV ≈ 4.5%
  85. Little Greene

    1. Shift
      #4b4b49
      ΔE = 4.652 / LRV ≈ 7.0%
  86. Toyo Ink

    1. CF11014
      #3f3d39
      ΔE = 4.710 / LRV ≈ 4.7%
    2. CF10800
      #473839
      ΔE = 4.925 / LRV ≈ 4.5%
  87. Sico

    1. 6046-73 Cosmic Violet
      #4b414a
      ΔE = 4.779 / LRV ≈ 5.8%
    2. 6183-83 Raven's Feather
      #504842
      ΔE = 4.870 / LRV ≈ 6.7%
  88. Dunn-Edwards

    1. Stargazing / 116
      #414549
      ΔE = 4.969 / LRV ≈ 5.9%
    2. Molasses / 232
      #574a47
      ΔE = 5.217 / LRV ≈ 7.4%
  89. Earthpaint

    1. 5-5-7 Brunette
      #50413c
      ΔE = 4.989 / LRV ≈ 5.8%
    2. 5-29-7 Phantom
      #3f4341
      ΔE = 5.091 / LRV ≈ 5.5%
  90. Kansai Paint

    1. Brown
      #4e453e
      ΔE = 4.998 / LRV ≈ 6.2%

#494243 Exemples de code HTML et CSS

#494243 premier plan

Faire un cygne d'un oison.

<p style="color: #494243">…</p>

#494243 fond

L'essentiel du courage c'est la prudence.

<p style="background-color: #494243">…</p>

#494243 ombre du texte

Nature passe nourriture, et nourriture survainc nature.

<p style="text-shadow: 0.1em 0.1em 0.15em #494243">…</p>

Composition des couleurs

Conversions d'espace colorimétrique

Décimal
4801091
Binaire
01001001, 01000010, 01000011
Hexadécimal
#494243
LRV
≈ 5.7%
Hexadécimal court le plus proche
#444 ΔE = 3.222
RGB
rgb(73, 66, 67)
RGBA
rgba(73, 66, 67, 1.0)
chromaticité rg
r: 0.354, g: 0.320, b: 0.325
RYB
rouge: 28.627%, jaune: 25.882%, bleu: 26.275%
Android / android.graphics.Color
-11976125 / 0xff494243
HSL
hsl(351, 5%, 27%)
HSLA
hsla(351, 5%, 27%, 1.0)
HSV / HSB
teinte: 351° (351.429), saturation: 10% (0.096), valeur: 29% (0.286)
HSP
teinte: 351.429, saturation: 9.589%, luminosité perçue: 26.776%
HSLuv (HUSL)
H: 1.654, S: 4.666, L: 28.690
Cubehelix
H: -16.901, S: 0.054, L: 0.267
TSL
T: 4.084, S: 0.033, L: 0.267
CMYK
cyan: 0% (0.000), magenta: 10% (0.096), jaune: 8% (0.082), noir: 71% (0.714)
CMY
cyan: 71% (0.714), magenta: 74% (0.741), jaune: 74% (0.737)
XYZ
X: 5.709, Y: 5.718, Z: 6.112
xyY
x: 0.325, y: 0.326, Y: 5.718
CIELab
L: 28.690, a: 3.183, b: 0.474
CIELuv
L: 28.690, u: 3.767, v: 0.109
CIELCH / LCHab
L: 28.690, C: 3.218, H: 8.463
CIELUV / LCHuv
L: 28.690, C: 3.768, H: 1.654
Hunter-Lab
L: 23.913, a: 0.767, b: 1.585
CIECAM02
J: 20.897, C: 3.748, h: 6.122, Q: 90.065, M: 3.277, s: 19.076, H: 385.946
OSA-UCS
luminosité: -10.085, jaune: -0.038, vert: -0.393
LMS
L: 5.647, M: 5.727, S: 6.106
YCbCr
Y: 74.591, Cb: 127.403, Cr: 131.002
YCgCo
Y: 68.000, Cg: -2.000, Co: 19.750
YDbDr
Y: 68.207, Db: -1.817, Dr: -9.114
YPbPr
Y: 67.563, Pb: -0.305, Pr: 3.454
xvYCC
Y: 74.025, Cb: 127.732, Cr: 131.034
YIQ
Y: 68.207, I: 3.849, Q: 1.791
YUV
Y: 68.207, U: -0.593, V: 4.205
Système colorimétrique de Munsell
5R 3/1 ΔE = 2.430
Couleur de marque
WordPress (grey) ΔE = 3.380

Couleurs aléatoires

Rouge

Vert

Bleu