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#287C9B

#287c9b ≈ Cerulean

  • azure
  • Lightness: low
  • Saturation: moderate
  • Cool
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#287c9b is a color from the azure family, with low lightness and moderate saturation. In the RGB model it is made of 15.69% red, 48.63% green and 60.78% blue; printed in CMYK it uses 74.19% cyan, 20% magenta, 0% yellow and 39.22% black. Its hue angle is 196.17°, with 58.97% saturation and 38.24% 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 4.72:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 3.57.

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 luminance0.1723

Complementary

  1. #287c9b
  2. #9b4728

Split complementary

  1. #287c9b
  2. #9b2843
  3. #9b8128

Analogous

  1. #289b81
  2. #287c9b
  3. #28439b

Triadic

  1. #287c9b
  2. #9b287c
  3. #7c9b28

Tetradic

  1. #287c9b
  2. #47289b
  3. #9b4728
  4. #7c9b28

Square

  1. #287c9b
  2. #81289b
  3. #9b4728
  4. #439b28

Monochromatic

  1. #091b21
  2. #184b5e
  3. #287c9b
  4. #41a8ce
  5. #7ec4de

Shades

#287c9b mixed progressively with black.

  1. #287c9b
  2. #24708c
  3. #20637c
  4. #1c576d
  5. #184a5d
  6. #143e4e
  7. #10323e
  8. #0c252f
  9. #08191f
  10. #040c10
  11. #000000

Tints

#287c9b mixed progressively with white.

  1. #287c9b
  2. #3e89a5
  3. #5396af
  4. #69a3b9
  5. #7eb0c3
  6. #94becd
  7. #a9cbd7
  8. #bfd8e1
  9. #d4e5eb
  10. #eaf2f5
  11. #ffffff

Tones

#287c9b mixed progressively with gray.

  1. #287c9b
  2. #317c98
  3. #3a7d96
  4. #427d93
  5. #4b7e90
  6. #547e8e
  7. #5d7e8b
  8. #667f88
  9. #6e7f85
  10. #778083
  11. #808080

Readable text 4.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.45:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #737373 ≈ 0.003% of males
Achromatomaly #5e7785 ≈ 0.001% of males
Protanopia #6b7a9d ≈ 1.01% of males
Deuteranopia #5c6e9b ≈ 1.27% of males
Tritanopia #008586 ≈ 0.0001% of males
Protanomaly #587b9c ≈ 1.08% of males
Deuteranomaly #4c749b ≈ 4.63% of males
Tritanomaly #00818f ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-287c9b {
  color: #287c9b;
}
Background
.bg-287c9b {
  background-color: #287c9b;
  color: #ffffff;
}
Border
.border-287c9b {
  border: 2px solid #287c9b;
}
CSS variables
:root {
  --color-primary: #287c9b;
  --color-primary-rgb: 40 124 155;
  --color-primary-hsl: 196 59% 38%;
}
Gradient
.gradient-287c9b {
  background: linear-gradient(135deg, #287c9b, #28439b);
}
Colored shadow
.shadow-287c9b {
  box-shadow: 0 8px 24px rgb(40 124 155 / 0.35);
}

#007ba7 Cerulean ΔE 3.57 #367588 Teal Blue ΔE 4.58 #006994 Sea Blue ΔE 8.01 #5d8aa8 Air Force Blue ΔE 8.44 #4682b4 Steel Blue ΔE 8.48 #0095b6 Bondi Blue ΔE 9.04 #0072bb French Blue ΔE 10.43 #d78364 Inverted #737373 Grayscale 

Cerulean
#287c9b  rgb(40, 124, 155)  hsl(196, 59%, 38%)  Cerulean
#9b4728  rgb(155, 71, 40)  hsl(16, 59%, 38%)  Sienna
#9b287c  rgb(155, 40, 124)  hsl(316, 59%, 38%)  Deep Plum
#7c9b28  rgb(124, 155, 40)  hsl(76, 59%, 38%)  Olive Drab