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#378BDB

#378bdb ≈ Bleu de France

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#378bdb is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 21.57% red, 54.51% green and 85.88% blue; printed in CMYK it uses 74.89% cyan, 36.53% magenta, 0% yellow and 14.12% black. Its hue angle is 209.27°, with 69.49% saturation and 53.73% 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 5.88:1 (WCAG AA). The closest named color is Bleu de France (#318ce7), ΔE 1.19.

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 luminance0.2439

Complementary

  1. #378bdb
  2. #db8737

Split complementary

  1. #378bdb
  2. #db3739
  3. #dbd937

Analogous

  1. #37dbd9
  2. #378bdb
  3. #3739db

Triadic

  1. #378bdb
  2. #db378b
  3. #8bdb37

Tetradic

  1. #378bdb
  2. #8737db
  3. #db8737
  4. #8bdb37

Square

  1. #378bdb
  2. #d937db
  3. #db8737
  4. #39db37

Monochromatic

  1. #123e67
  2. #1e64a7
  3. #378bdb
  4. #78b1e7
  5. #b9d6f2

Shades

#378bdb mixed progressively with black.

  1. #378bdb
  2. #327dc5
  3. #2c6faf
  4. #276199
  5. #215383
  6. #1c466e
  7. #163858
  8. #112a42
  9. #0b1c2c
  10. #060e16
  11. #000000

Tints

#378bdb mixed progressively with white.

  1. #378bdb
  2. #4b97df
  3. #5fa2e2
  4. #73aee6
  5. #87b9e9
  6. #9bc5ed
  7. #afd1f1
  8. #c3dcf4
  9. #d7e8f8
  10. #ebf3fb
  11. #ffffff

Tones

#378bdb mixed progressively with gray.

  1. #378bdb
  2. #3e8ad2
  3. #4689c9
  4. #4d88c0
  5. #5487b7
  6. #5c86ae
  7. #6384a4
  8. #6a839b
  9. #718292
  10. #798189
  11. #808080

Readable text 3.57:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.88:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #7089af ≈ 0.001% of males
Protanopia #6690de ≈ 1.01% of males
Deuteranopia #4d81d9 ≈ 1.27% of males
Tritanopia #009ea8 ≈ 0.0001% of males
Protanomaly #578edd ≈ 1.08% of males
Deuteranomaly #4585da ≈ 4.63% of males
Tritanomaly #0097bf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-378bdb {
  color: #378bdb;
}
Background
.bg-378bdb {
  background-color: #378bdb;
  color: #000000;
}
Border
.border-378bdb {
  border: 2px solid #378bdb;
}
CSS variables
:root {
  --color-primary: #378bdb;
  --color-primary-rgb: 55 139 219;
  --color-primary-hsl: 209 69% 54%;
}
Gradient
.gradient-378bdb {
  background: linear-gradient(135deg, #378bdb, #3739db);
}
Colored shadow
.shadow-378bdb {
  box-shadow: 0 8px 24px rgb(55 139 219 / 0.35);
}

#318ce7 Bleu de France ΔE 1.19 #1e90ff Dodger Blue ΔE 3.53 #5b92e5 United Nations Blue ΔE 4.94 #4682b4 Steel Blue ΔE 5.06 #417dc1 Tufts Blue ΔE 5.60 #6495ed Cornflower Blue ΔE 6.75 #6082b6 Glaucous ΔE 7.46 #c87424 Inverted #878787 Grayscale 

Bleu de France
#378bdb  rgb(55, 139, 219)  hsl(209, 69%, 54%)  Bleu de France
#db8737  rgb(219, 135, 55)  hsl(29, 69%, 54%)  Peru
#db378b  rgb(219, 55, 139)  hsl(329, 69%, 54%)  Mulberry
#8bdb37  rgb(139, 219, 55)  hsl(89, 69%, 54%)  Yellow Green