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#237CA4

#237ca4 ≈ Cerulean

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#237ca4 is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 13.73% red, 48.63% green and 64.31% blue; printed in CMYK it uses 78.66% cyan, 24.39% magenta, 0% yellow and 35.69% black. Its hue angle is 198.6°, with 64.82% saturation and 39.02% 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. White text on this color reaches a contrast ratio of 4.68:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 1.26.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1745

Complementary

  1. #237ca4
  2. #a44b23

Split complementary

  1. #237ca4
  2. #a4233c
  3. #a48b23

Analogous

  1. #23a48b
  2. #237ca4
  3. #233ca4

Triadic

  1. #237ca4
  2. #a4237c
  3. #7ca423

Tetradic

  1. #237ca4
  2. #4b23a4
  3. #a44b23
  4. #7ca423

Square

  1. #237ca4
  2. #8b23a4
  3. #a44b23
  4. #3ca423

Monochromatic

  1. #081d26
  2. #164c65
  3. #237ca4
  4. #3ea7d6
  5. #7dc3e3

Shades

#237ca4 mixed progressively with black.

  1. #237ca4
  2. #207094
  3. #1c6383
  4. #195773
  5. #154a62
  6. #123e52
  7. #0e3242
  8. #0b2531
  9. #071921
  10. #040c10
  11. #000000

Tints

#237ca4 mixed progressively with white.

  1. #237ca4
  2. #3989ad
  3. #4f96b6
  4. #65a3bf
  5. #7bb0c8
  6. #91bed2
  7. #a7cbdb
  8. #bdd8e4
  9. #d3e5ed
  10. #e9f2f6
  11. #ffffff

Tones

#237ca4 mixed progressively with gray.

  1. #237ca4
  2. #2c7ca0
  3. #367d9d
  4. #3f7d99
  5. #487e96
  6. #527e92
  7. #5b7e8e
  8. #647f8b
  9. #6d7f87
  10. #778084
  11. #808080

Readable text 4.68:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.49:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #747474 ≈ 0.003% of males
Achromatomaly #5e778a ≈ 0.001% of males
Protanopia #687ba6 ≈ 1.01% of males
Deuteranopia #576fa3 ≈ 1.27% of males
Tritanopia #00878a ≈ 0.0001% of males
Protanomaly #557ba5 ≈ 1.08% of males
Deuteranomaly #4774a4 ≈ 4.63% of males
Tritanomaly #008395 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-237ca4 {
  color: #237ca4;
}
Background
.bg-237ca4 {
  background-color: #237ca4;
  color: #ffffff;
}
Border
.border-237ca4 {
  border: 2px solid #237ca4;
}
CSS variables
:root {
  --color-primary: #237ca4;
  --color-primary-rgb: 35 124 164;
  --color-primary-hsl: 199 65% 39%;
}
Gradient
.gradient-237ca4 {
  background: linear-gradient(135deg, #237ca4, #233ca4);
}
Colored shadow
.shadow-237ca4 {
  box-shadow: 0 8px 24px rgb(35 124 164 / 0.35);
}

#007ba7 Cerulean ΔE 1.26 #4682b4 Steel Blue ΔE 6.29 #006994 Sea Blue ΔE 7.10 #367588 Teal Blue ΔE 7.10 #0072bb French Blue ΔE 7.65 #5d8aa8 Air Force Blue ΔE 7.94 #417dc1 Tufts Blue ΔE 8.62 #dc835b Inverted #747474 Grayscale 

Cerulean
#237ca4  rgb(35, 124, 164)  hsl(199, 65%, 39%)  Cerulean
#a44b23  rgb(164, 75, 35)  hsl(19, 65%, 39%)  Sienna
#a4237c  rgb(164, 35, 124)  hsl(319, 65%, 39%)  Medium Violet Red
#7ca423  rgb(124, 164, 35)  hsl(79, 65%, 39%)  Apple Green