Encycolorpedia

Behr DP-378 Ebony / #383939 Hex Code Couleur

#383939 Paint ChipLe code hexadécimal de la couleur #383939 est une sombre teinte de couleur cyan. Dans le modèle de couleur RVB #383939 est constitué de 21.96 % de rouge, 22.35 % de vert et le bleu à 22.35 %. En l'espace colorimétrique HSL #383939 a une teinte de 180° (degrés), la saturation 1 % saturation et la légèreté 22 %. Cette couleur a une longueur d'onde approximatif de 491.41 nm.

Variations de couleur

Noms de Couleur

Schémas de couleurs

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

Couleurs monochromatiques

  1. #2f3030
  2. #323333
  3. #353636
  4. #383939
  5. #3b3c3c
  6. #3e3f3f
  7. #414242

Teintes et nuances

#383939 au blanc

  1. #383939
  2. #555656
  3. #747575
  4. #959696
  5. #b7b8b8
  6. #dbdbdb
  7. #ffffff / #fff

#383939 au noir

  1. #383939
  2. #2f3030
  3. #272828
  4. #1f1f1f
  5. #171717
  6. #0e0e0e
  7. #000000 / #000

Couleurs de peinture

Peintures assorties

Peintures similaires

  1. Behr

    1. ★ Ultra Pure Black 1350
      #373838
      ΔE = 0.451 / LRV ≈ 3.9%
    2. Broadway PPU18-20
      #434442
      ΔE = 4.985 / LRV ≈ 5.7%
  2. Old Citadel

    1. ★ Boltgun Metal
      #393939
      ΔE = 0.455 / LRV ≈ 4.1%
  3. Vallejo Game Color

    1. ★ Gunmetal / Gunmetal Metal (054)
      #393939
      ΔE = 0.455 / LRV ≈ 4.1%
  4. GM / General Motors

    1. ★ Thibetan Gray
      #393939
      ΔE = 0.455 / LRV ≈ 4.1%
    2. ★ Chancellor Gray
      #353535
      ΔE = 1.773 / LRV ≈ 3.6%
  5. Reaper Master

    1. ★ Shadowed Steel (9052)
      #393939
      ΔE = 0.455 / LRV ≈ 4.1%
  6. Vallejo Model Color

    1. ★ Gunmetal Grey (863)
      #393939
      ΔE = 0.455 / LRV ≈ 4.1%
  7. Crown Paint

    1. ★ Rebel
      #393939
      ΔE = 0.455 / LRV ≈ 4.1%
  8. Evonik-Degussa

    1. ★ 802
      #383838
      ΔE = 0.570 / LRV ≈ 4.0%
    2. 333
      #3a3f44
      ΔE = 4.354 / LRV ≈ 4.9%
  9. Humbrol

    1. ★ 33 Matt Black
      #383838
      ΔE = 0.570 / LRV ≈ 4.0%
    2. 67 Tank Grey
      #333333 / #333
      ΔE = 2.667 / LRV ≈ 3.3%
  10. Johnstone's Paint

    1. ★ Black
      #39393a
      ΔE = 0.813 / LRV ≈ 4.1%
  11. Diamond Vogel

    1. ★ Grantsburg Gray / H101
      #393a3b
      ΔE = 0.813 / LRV ≈ 4.2%
    2. ★ Silent Sea / 0515
      #3d3d3e
      ΔE = 2.077 / LRV ≈ 4.7%
  12. Berger

    1. ★ Contessa's Cape / 8285
      #383a39
      ΔE = 0.859 / LRV ≈ 4.2%
    2. In the Dark / 8245
      #36373c
      ΔE = 3.360 / LRV ≈ 3.8%
  13. Vista Paint

    1. ★ Contessa's Cape
      #383a39
      ΔE = 0.859 / LRV ≈ 4.2%
    2. Evening Empress
      #433c3c
      ΔE = 4.205 / LRV ≈ 4.8%
  14. Audi

    1. ★ Panther Black Metallic / LY9Z
      #383a39
      ΔE = 0.859 / LRV ≈ 4.2%
    2. Lavagrau Pearl / 1R
      #3e3d3e
      ΔE = 2.301 / LRV ≈ 4.7%
  15. Scib Paints

    1. ★ Contessa's Cape / 8285
      #383a39
      ΔE = 0.859 / LRV ≈ 4.2%
    2. Evening Empress / 8229
      #433c3c
      ΔE = 4.205 / LRV ≈ 4.8%
  16. Sherwin-Williams

    1. ★ Greenblack - 6994
      #373a3a
      ΔE = 0.916 / LRV ≈ 4.1%
    2. Bohemian Black - 6988
      #3b373c
      ΔE = 3.986 / LRV ≈ 4.0%
  17. Volkswagen

    1. ★ Terra Brown
      #3b3b3b
      ΔE = 1.088 / LRV ≈ 4.4%
    2. Mocha Brown
      #3e3e3e
      ΔE = 2.373 / LRV ≈ 4.8%
  18. Disney

    1. ★ 4B-10 Mouse Ears
      #3b3b3b
      ΔE = 1.088 / LRV ≈ 4.4%
    2. 4C-20-4 Cenema Star
      #423f3c
      ΔE = 3.967 / LRV ≈ 5.0%
  19. Chrysler

    1. ★ Charcoal Gray
      #3b3b3b
      ΔE = 1.088 / LRV ≈ 4.4%
    2. Gray
      #38393d
      ΔE = 2.614 / LRV ≈ 4.1%
  20. Dulux

    1. ★ 00BB 06/017
      #36393a
      ΔE = 1.090 / LRV ≈ 4.0%
    2. Rum Caramel 1 / 30YY 05/044
      #3f3934
      ΔE = 4.631 / LRV ≈ 4.2%
  21. Dunn-Edwards

    1. ★ Black / 98
      #3b3a3a
      ΔE = 1.107 / LRV ≈ 4.3%
    2. Dark Engine / 105
      #3e3f41
      ΔE = 3.033 / LRV ≈ 5.0%
  22. California Paints

    1. ★ DEA 187 - Kookaburra Licorice
      #3b3a3a
      ΔE = 1.107 / LRV ≈ 4.3%
    2. ★ Sayward Pine
      #3a3d3e
      ΔE = 1.956 / LRV ≈ 4.6%
  23. Tikkurila

    1. ★ 564X
      #3b3c3c
      ΔE = 1.346 / LRV ≈ 4.5%
    2. 0202 / Black
      #3f3e3f
      ΔE = 2.698 / LRV ≈ 4.9%
  24. Homebase

    1. ★ Black Magic
      #39393b
      ΔE = 1.401 / LRV ≈ 4.1%
  25. Pratt & Lambert

    1. ★ Anthracite 25-19
      #3a3c3b
      ΔE = 1.454 / LRV ≈ 4.4%
    2. Confidential 29-17
      #40373a
      ΔE = 4.946 / LRV ≈ 4.1%
  26. Rodda Paint

    1. ★ Sayward Pine H101
      #3a3c3d
      ΔE = 1.499 / LRV ≈ 4.5%
  27. Colortrend

    1. ★ Sayward Pine
      #3a3c3d
      ΔE = 1.499 / LRV ≈ 4.5%
    2. Templar Grey
      #363d42
      ΔE = 4.262 / LRV ≈ 4.5%
  28. Graham & Brown

    1. ★ Cat Black
      #3c3c3c
      ΔE = 1.507 / LRV ≈ 4.5%
    2. Black Cab
      #2f3535
      ΔE = 3.164 / LRV ≈ 3.4%
  29. Caparol

    1. ★ Levante / Levante F1
      #3c3c3c
      ΔE = 1.507 / LRV ≈ 4.5%
    2. ★ Schiefer 2
      #343838
      ΔE = 1.508 / LRV ≈ 3.8%
  30. Tollens

    1. ★ T2131-3
      #3a3b39
      ΔE = 1.545 / LRV ≈ 4.3%
    2. T2126-6
      #3c3631
      ΔE = 4.710 / LRV ≈ 3.8%
  31. Glidden

    1. ★ Onyx Black / 00NN 05/000
      #3c3b3c
      ΔE = 1.584 / LRV ≈ 4.4%
    2. Black Magic / PPG1001-7
      #414040
      ΔE = 3.430 / LRV ≈ 5.2%
  32. Toyo Ink

    1. ★ CF11016
      #373637
      ΔE = 1.598 / LRV ≈ 3.7%
    2. CF11020
      #30302f
      ΔE = 4.124 / LRV ≈ 2.9%
  33. Dutch Boy

    1. ★ Gargoyle Shadow
      #373735
      ΔE = 1.637 / LRV ≈ 3.8%
  34. Earthpaint

    1. ★ 5-37-7 Licorice
      #353535
      ΔE = 1.773 / LRV ≈ 3.6%
    2. 5-29-7 Phantom
      #3f4341
      ΔE = 4.499 / LRV ≈ 5.5%
  35. Sico

    1. ★ 6210-83 Grand Piano
      #353535
      ΔE = 1.773 / LRV ≈ 3.6%
    2. 6173-83 Cast Iron
      #3a3c40
      ΔE = 2.958 / LRV ≈ 4.5%
  36. Nippon Paint

    1. ★ Black Magic / NP N 1988 A
      #383c3d
      ΔE = 1.809 / LRV ≈ 4.4%
    2. Black Night / NP N 1995 A
      #3a3f42
      ΔE = 3.497 / LRV ≈ 4.8%
  37. Vallejo

    1. ★ Vallejo 70.866 #165
      #3b3d3c
      ΔE = 1.843 / LRV ≈ 4.6%
    2. Vallejo 70.836 #161
      #38393f
      ΔE = 3.917 / LRV ≈ 4.1%
  38. Brighto Paints

    1. ★ 5-37-7 Licorice
      #363a38
      ΔE = 1.883 / LRV ≈ 4.1%
    2. 8460 Black
      #333938
      ΔE = 2.354 / LRV ≈ 3.9%
  39. Hummer

    1. ★ Light Grey / 14
      #3a3836
      ΔE = 1.899 / LRV ≈ 4.0%
  40. Kansai Paint

    1. ★ Black
      #343938
      ΔE = 1.934 / LRV ≈ 3.9%
    2. ★ Black
      #343937
      ΔE = 2.266 / LRV ≈ 3.9%
  41. Benjamin Moore

    1. ★ Universal Black / 2118-10
      #363536
      ΔE = 1.948 / LRV ≈ 3.6%
    2. Carbon Copy / 2117-10
      #393638
      ΔE = 2.421 / LRV ≈ 3.8%
  42. Resene

    1. ★ Blast Grey 1 M34-004-071
      #3d3c3a
      ΔE = 2.154 / LRV ≈ 4.5%
    2. Kina Brown N38-008-058
      #433d38
      ΔE = 5.108 / LRV ≈ 4.8%
  43. CIL

    1. ★ Dark Secret
      #3e3d3d
      ΔE = 2.176 / LRV ≈ 4.7%
    2. Black Mica
      #404244
      ΔE = 4.196 / LRV ≈ 5.4%
  44. Krylon

    1. ★ Smoke Gray
      #3b3b38
      ΔE = 2.187 / LRV ≈ 4.3%
  45. Levis

    1. ★ Clear Grey B80
      #3c3e3e
      ΔE = 2.187 / LRV ≈ 4.8%
    2. Clear Grey C70
      #3f3e3e
      ΔE = 2.587 / LRV ≈ 4.8%
  46. ICI Paints

    1. ★ 4440 Black Mica 30BB 05/022
      #35383b
      ΔE = 2.192 / LRV ≈ 3.9%
    2. 4435 Cannon 50BG 06/044
      #374143
      ΔE = 4.840 / LRV ≈ 5.0%
  47. AMC

    1. ★ Northern Gray
      #3c3d3f
      ΔE = 2.264 / LRV ≈ 4.7%
    2. Harvard Gray
      #373434
      ΔE = 2.622 / LRV ≈ 3.5%
  48. Alcro

    1. Hardrock
      #3a3735
      ΔE = 2.320 / LRV ≈ 3.9%
    2. Asfalt
      #3e393d
      ΔE = 3.818 / LRV ≈ 4.3%
  49. Farrow & Ball

    1. Studio Green / 93
      #363c3c
      ΔE = 2.337 / LRV ≈ 4.3%
    2. Black Blue / 95
      #2f3535
      ΔE = 3.164 / LRV ≈ 3.4%
  50. Kelly-Moore

    1. Black (Semi-Gloss) / 568
      #3d3e3f
      ΔE = 2.360 / LRV ≈ 4.8%
    2. Carbon / 407
      #323131
      ΔE = 3.570 / LRV ≈ 3.1%
  51. Clark+Kensington

    1. Moonless Sky / EXTCC-51
      #373c3e
      ΔE = 2.363 / LRV ≈ 4.4%
    2. Little Black Dress / 38A-5
      #3b3e43
      ΔE = 3.981 / LRV ≈ 4.8%
  52. Colorhouse

    1. Nourish .06
      #313536
      ΔE = 2.526 / LRV ≈ 3.5%
  53. Model Master

    1. Model Master 28142
      #3e3a3b
      ΔE = 2.543 / LRV ≈ 4.4%
    2. Model Master 2735
      #433f40
      ΔE = 3.950 / LRV ≈ 5.1%
  54. Flügger

    1. Wegner Black (IN-805)
      #333937
      ΔE = 2.642 / LRV ≈ 3.9%
    2. Blue Shade 5 (IN-734)
      #303337
      ΔE = 3.925 / LRV ≈ 3.3%
  55. Australian Standard AS2700

    1. G63 Deep Bronze Green
      #333333 / #333
      ΔE = 2.667 / LRV ≈ 3.3%
    2. B64 Charcoal
      #363e44
      ΔE = 5.076 / LRV ≈ 4.6%
  56. Tamiya

    1. Tamiya 80301,XF1
      #333333 / #333
      ΔE = 2.667 / LRV ≈ 3.3%
  57. Devoe Paint

    1. Dark Secret / 00NN 05/000
      #3f3d3b
      ΔE = 2.745 / LRV ≈ 4.7%
    2. Black Mica / 30BB 05/022
      #414242
      ΔE = 4.005 / LRV ≈ 5.4%
  58. Valspar Paint

    1. Tempest's Teapot L18DW35B
      #393d40
      ΔE = 2.804 / LRV ≈ 4.6%
    2. Tuxedo Tie
      #3e4444
      ΔE = 4.915 / LRV ≈ 5.6%
  59. Craig & Rose

    1. Caviar
      #3f3f3f
      ΔE = 2.810 / LRV ≈ 5.0%
  60. British Standard

    1. BS381 642 - Night
      #3f3f3f
      ΔE = 2.810 / LRV ≈ 5.0%
  61. Dulux Australia

    1. Wayward Grey / GR7
      #3f3c3e
      ΔE = 2.853 / LRV ≈ 4.6%
    2. Marais / GR13
      #403d41
      ΔE = 3.899 / LRV ≈ 4.8%
  62. Lascaux

    1. Transoxide black / 183
      #3f3f40
      ΔE = 2.917 / LRV ≈ 5.0%
  63. Brillux

    1. 78.01.33
      #303534
      ΔE = 2.930 / LRV ≈ 3.4%
    2. 99.00.60
      #3f3f43
      ΔE = 3.910 / LRV ≈ 5.0%
  64. Pantone / PMS

    1. 446
      #404040
      ΔE = 3.247 / LRV ≈ 5.1%
    2. Skin Tone 29
      #302e2e
      ΔE = 4.938 / LRV ≈ 2.8%
  65. Beckers

    1. Skorsten 519 / S 7500-N
      #404040
      ΔE = 3.247 / LRV ≈ 5.1%
    2. Orkan 542 / S 8001-R61B
      #333234
      ΔE = 3.345 / LRV ≈ 3.2%
  66. Asian Paints

    1. Raven Song / 8253
      #404040
      ΔE = 3.247 / LRV ≈ 5.1%
    2. Black Currant / 9461
      #414043
      ΔE = 4.020 / LRV ≈ 5.2%
  67. Wattyl

    1. Colorbond Night Sky ® / A29W
      #40403f
      ΔE = 3.280 / LRV ≈ 5.1%
  68. New Look

    1. Siberian Nights / A04-10
      #40403f
      ΔE = 3.280 / LRV ≈ 5.1%
  69. Crown Diamond

    1. 7324-83 Amsterdam Night
      #373a3f
      ΔE = 3.367 / LRV ≈ 4.2%
    2. 7357-83 Infinite Mystery
      #403e42
      ΔE = 3.938 / LRV ≈ 4.9%
  70. Jotun

    1. 0099 / Sort
      #403e3b
      ΔE = 3.379 / LRV ≈ 4.9%
    2. 0734 / Brunsvart
      #444241
      ΔE = 4.506 / LRV ≈ 5.5%
  71. Porter Paints

    1. Black Magic / 518-7
      #414040
      ΔE = 3.430 / LRV ≈ 5.2%
  72. PPG Pittsburgh Paints

    1. Black Magic / PPG1001-7
      #414040
      ΔE = 3.430 / LRV ≈ 5.2%
  73. Olympic

    1. Black Magic D58-6
      #41403f
      ΔE = 3.459 / LRV ≈ 5.1%
  74. Ford

    1. Dark Cadet Blue
      #313131
      ΔE = 3.577 / LRV ≈ 3.1%
    2. Graphite
      #2e2e2e
      ΔE = 4.959 / LRV ≈ 2.7%
  75. Coronado Paint

    1. 8285 - Contessas Cape
      #404140
      ΔE = 3.591 / LRV ≈ 5.2%
    2. 8229 - Evening Empress
      #464140
      ΔE = 4.951 / LRV ≈ 5.5%
  76. Federal Standard

    1. Federal Standard 27040
      #313235
      ΔE = 3.675 / LRV ≈ 3.2%
    2. Federal Standard 37038
      #424243
      ΔE = 4.205 / LRV ≈ 5.5%
  77. Sikkens

    1. B9.04.17 (RAL 8019)
      #3e3736
      ΔE = 3.745 / LRV ≈ 4.0%
    2. A0.05.15
      #3d3437
      ΔE = 5.110 / LRV ≈ 3.7%
  78. RAL

    1. RAL 7016 / Anthracite Grey
      #383e42
      ΔE = 3.794 / LRV ≈ 4.7%
    2. RAL 6015 / Black Olive
      #3d3d36
      ΔE = 4.821 / LRV ≈ 4.6%
  79. Teknos

    1. GG770
      #433d3d
      ΔE = 4.012 / LRV ≈ 4.9%
  80. Taubmans

    1. All Black / T12 8.H12
      #43403e
      ΔE = 4.085 / LRV ≈ 5.2%
    2. Chasm / T12 8.H10
      #434341
      ΔE = 4.673 / LRV ≈ 5.6%
  81. General Paint

    1. Crow's Head / CL 3167N
      #424241
      ΔE = 4.141 / LRV ≈ 5.4%
    2. Boundary / CL 3177N
      #444341
      ΔE = 4.824 / LRV ≈ 5.6%
  82. Ralph Lauren

    1. Amazon / RLNA235
      #3e413d
      ΔE = 4.239 / LRV ≈ 5.1%
    2. Bone Black / RLTH226
      #2f2f2f
      ΔE = 4.497 / LRV ≈ 2.8%
  83. Marston & Langinger

    1. Peat
      #373630
      ΔE = 4.255 / LRV ≈ 3.7%
  84. Duron

    1. Iron Ore
      #414244
      ΔE = 4.266 / LRV ≈ 5.4%
  85. Sigma

    1. Sienna Brown / S 8505-Y80R
      #3e3934
      ΔE = 4.298 / LRV ≈ 4.2%
    2. Natural Green / 5309 B
      #313d3a
      ΔE = 5.208 / LRV ≈ 4.3%
  86. Volvo

    1. Apollo Grey New / VW-024
      #30302e
      ΔE = 4.314 / LRV ≈ 2.9%
  87. Nerolac

    1. Black Hills - 2952
      #3f4245
      ΔE = 4.434 / LRV ≈ 5.4%
    2. Blackberry - 2875
      #464042
      ΔE = 5.126 / LRV ≈ 5.4%
  88. Peintures MF

    1. Sombre prodige
      #323d3f
      ΔE = 4.438 / LRV ≈ 4.4%
    2. Neptunia
      #373d43
      ΔE = 4.602 / LRV ≈ 4.6%
  89. Crayola

    1. Outer Space
      #2d383a
      ΔE = 4.546 / LRV ≈ 3.7%
  90. Cloverdale Paint

    1. Kitty Kitty / 8253
      #434343
      ΔE = 4.559 / LRV ≈ 5.6%
  91. Games Workshop - Citadel

    1. Dryad Bark
      #33312d
      ΔE = 4.594 / LRV ≈ 3.1%
  92. Magnolia Home

    1. Locally Grown / JG-126
      #43403c
      ΔE = 4.603 / LRV ≈ 5.2%
    2. Blackboard / JG-05
      #31343a
      ΔE = 4.620 / LRV ≈ 3.4%
  93. Caran d'Ache

    1. 495 Slate Gray
      #3a3a41
      ΔE = 4.646 / LRV ≈ 4.3%
  94. Bristol

    1. Chasm / P224-N7
      #434341
      ΔE = 4.673 / LRV ≈ 5.6%
    2. Black Sea / P226-N7
      #444444 / #444
      ΔE = 4.995 / LRV ≈ 5.8%
  95. Natural Color System / NCS

    1. S 8005-R80B
      #313035
      ΔE = 5.108 / LRV ≈ 3.0%
    2. S 8005-G50Y
      #34342d
      ΔE = 5.214 / LRV ≈ 3.4%
  96. KILZ

    1. Abyss / H911
      #404046
      ΔE = 5.165 / LRV ≈ 5.2%

#383939 Exemples de code HTML et CSS

#383939 premier plan

La parole est l'ombre du fait.

<p style="color: #383939">…</p>

#383939 fond

Les volontés sont libres.

<p style="background-color: #383939">…</p>

#383939 ombre du texte

Gardez-vous des faux prophètes.

<p style="text-shadow: 0.1em 0.1em 0.15em #383939">…</p>

Composition des couleurs

Conversions d'espace colorimétrique

Décimal
3684665
Binaire
00111000, 00111001, 00111001
Hexadécimal
#383939
LRV
≈ 4.1%
Hexadécimal court le plus proche
#333 ΔE = 2.669
RGB
rgb(56, 57, 57)
RGBA
rgba(56, 57, 57, 1.0)
chromaticité rg
r: 0.329, g: 0.335, b: 0.335
RYB
rouge: 21.961%, jaune: 22.157%, bleu: 22.353%
Android / android.graphics.Color
-13092551 / 0xff383939
HSL
hsl(180, 1%, 22%)
HSLA
hsla(180, 1%, 22%, 1.0)
HSV / HSB
teinte: 180° (180.000), saturation: 2% (0.018), valeur: 22% (0.224)
HSP
teinte: 180.000, saturation: 1.754%, luminosité perçue: 22.236%
HSLuv (HUSL)
H: 192.174, S: 2.726, L: 23.877
Cubehelix
H: -188.190, S: 0.009, L: 0.222
TSL
T: -1.489, S: 0.006, L: 0.222
CMYK
cyan: 2% (0.018), magenta: 0% (0.000), jaune: 0% (0.000), noir: 78% (0.776)
CMY
cyan: 78% (0.780), magenta: 78% (0.776), jaune: 78% (0.776)
XYZ
X: 3.832, Y: 4.062, Z: 4.452
xyY
x: 0.310, y: 0.329, Y: 4.062
CIELab
L: 23.877, a: -0.428, b: -0.150
CIELuv
L: 23.877, u: -0.503, v: -0.109
CIELCH / LCHab
L: 23.877, C: 0.454, H: 199.325
CIELUV / LCHuv
L: 23.877, C: 0.515, H: 192.174
Hunter-Lab
L: 20.155, a: -1.332, b: 1.012
CIECAM02
J: 17.176, C: 1.762, h: 204.562, Q: 81.653, M: 1.541, s: 13.738, H: 259.470
OSA-UCS
luminosité: -10.081, jaune: -0.092, vert: 0.198
LMS
L: 3.831, M: 4.227, S: 4.445
YCbCr
Y: 64.706, Cb: 128.148, Cr: 127.561
YCoCg
Y: 56.750, Cg: 0.250, Co: 13.750
YDbDr
Y: 56.701, Db: 0.450, Dr: 1.333
YPbPr
Y: 56.787, Pb: 0.115, Pr: -0.500
xvYCC
Y: 64.770, Cb: 128.101, Cr: 127.561
YIQ
Y: 56.701, I: -0.596, Q: -0.211
YUV
Y: 56.701, U: 0.148, V: -0.615
Système colorimétrique de Munsell
5B 2/1 ΔE = 3.824
Couleur de marque
WordPress (grey) ΔE = 5.866

Couleurs aléatoires

Rouge

Vert

Bleu