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#378DCF

#378dcf ≈ Bleu de France

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#378dcf is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 21.57% red, 55.29% green and 81.18% blue; printed in CMYK it uses 73.43% cyan, 31.88% magenta, 0% yellow and 18.82% black. Its hue angle is 206.05°, with 61.29% saturation and 51.37% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. Black text on this color reaches a contrast ratio of 5.87:1 (WCAG AA). The closest named color is Bleu de France (#318ce7), ΔE 3.22.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3399cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2437

Complementary

  1. #378dcf
  2. #cf7937

Split complementary

  1. #378dcf
  2. #cf3741
  3. #cfc537

Analogous

  1. #37cfc5
  2. #378dcf
  3. #3741cf

Triadic

  1. #378dcf
  2. #cf378d
  3. #8dcf37

Tetradic

  1. #378dcf
  2. #7937cf
  3. #cf7937
  4. #8dcf37

Square

  1. #378dcf
  2. #c537cf
  3. #cf7937
  4. #41cf37

Monochromatic

  1. #153b58
  2. #246496
  3. #378dcf
  4. #75b0de
  5. #b2d3ed

Shades

#378dcf mixed progressively with black.

  1. #378dcf
  2. #327fba
  3. #2c71a6
  4. #276391
  5. #21557c
  6. #1c4768
  7. #163853
  8. #112a3e
  9. #0b1c29
  10. #060e15
  11. #000000

Tints

#378dcf mixed progressively with white.

  1. #378dcf
  2. #4b98d4
  3. #5fa4d9
  4. #73afdd
  5. #87bbe2
  6. #9bc6e7
  7. #afd1ec
  8. #c3ddf1
  9. #d7e8f5
  10. #ebf4fa
  11. #ffffff

Tones

#378dcf mixed progressively with gray.

  1. #378dcf
  2. #3e8cc7
  3. #468abf
  4. #4d89b7
  5. #5488af
  6. #5c87a8
  7. #6385a0
  8. #6a8498
  9. #718390
  10. #798188
  11. #808080

Readable text 3.58:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.87:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #708aa9 ≈ 0.001% of males
Protanopia #6f8fd2 ≈ 1.01% of males
Deuteranopia #5981ce ≈ 1.27% of males
Tritanopia #009da5 ≈ 0.0001% of males
Protanomaly #5d8ed1 ≈ 1.08% of males
Deuteranomaly #4e86ce ≈ 4.63% of males
Tritanomaly #0097b7 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-378dcf {
  color: #378dcf;
}
Background
.bg-378dcf {
  background-color: #378dcf;
  color: #000000;
}
Border
.border-378dcf {
  border: 2px solid #378dcf;
}
CSS variables
:root {
  --color-primary: #378dcf;
  --color-primary-rgb: 55 141 207;
  --color-primary-hsl: 206 61% 51%;
}
Gradient
.gradient-378dcf {
  background: linear-gradient(135deg, #378dcf, #3741cf);
}
Colored shadow
.shadow-378dcf {
  box-shadow: 0 8px 24px rgb(55 141 207 / 0.35);
}

#318ce7 Bleu de France ΔE 3.22 #4682b4 Steel Blue ΔE 4.71 #1e90ff Dodger Blue ΔE 5.03 #5b92e5 United Nations Blue ΔE 6.37 #417dc1 Tufts Blue ΔE 6.40 #56a0d3 Carolina Blue ΔE 6.55 #5d8aa8 Air Force Blue ΔE 6.83 #c87230 Inverted #878787 Grayscale 

Bleu de France
#378dcf  rgb(55, 141, 207)  hsl(206, 61%, 51%)  Bleu de France
#cf7937  rgb(207, 121, 55)  hsl(26, 61%, 51%)  Ochre
#cf378d  rgb(207, 55, 141)  hsl(326, 61%, 51%)  Mulberry
#8dcf37  rgb(141, 207, 55)  hsl(86, 61%, 51%)  Yellow Green