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#287C9E

#287c9e ≈ Cerulean

  • azure
  • Lightness: low
  • Saturation: moderate
  • Cool
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#287c9e 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 61.96% blue; printed in CMYK it uses 74.68% cyan, 21.52% magenta, 0% yellow and 38.04% black. Its hue angle is 197.29°, with 59.6% saturation and 38.82% 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 4.7:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 2.6.

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 luminance0.1734

Complementary

  1. #287c9e
  2. #9e4a28

Split complementary

  1. #287c9e
  2. #9e2841
  3. #9e8528

Analogous

  1. #289e85
  2. #287c9e
  3. #28419e

Triadic

  1. #287c9e
  2. #9e287c
  3. #7c9e28

Tetradic

  1. #287c9e
  2. #4a289e
  3. #9e4a28
  4. #7c9e28

Square

  1. #287c9e
  2. #85289e
  3. #9e4a28
  4. #419e28

Monochromatic

  1. #091c24
  2. #194c61
  3. #287c9e
  4. #43a7cf
  5. #80c4df

Shades

#287c9e mixed progressively with black.

  1. #287c9e
  2. #24708e
  3. #20637e
  4. #1c576f
  5. #184a5f
  6. #143e4f
  7. #10323f
  8. #0c252f
  9. #081920
  10. #040c10
  11. #000000

Tints

#287c9e mixed progressively with white.

  1. #287c9e
  2. #3e89a8
  3. #5396b1
  4. #69a3bb
  5. #7eb0c5
  6. #94becf
  7. #a9cbd8
  8. #bfd8e2
  9. #d4e5ec
  10. #eaf2f5
  11. #ffffff

Tones

#287c9e mixed progressively with gray.

  1. #287c9e
  2. #317c9b
  3. #3a7d98
  4. #427d95
  5. #4b7e92
  6. #547e8f
  7. #5d7e8c
  8. #667f89
  9. #6e7f86
  10. #778083
  11. #808080

Readable text 4.7:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.47:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #747474 ≈ 0.003% of males
Achromatomaly #5e7787 ≈ 0.001% of males
Protanopia #6a7aa0 ≈ 1.01% of males
Deuteranopia #5a6f9e ≈ 1.27% of males
Tritanopia #008587 ≈ 0.0001% of males
Protanomaly #577b9f ≈ 1.08% of males
Deuteranomaly #4b749e ≈ 4.63% of males
Tritanomaly #008291 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-287c9e {
  color: #287c9e;
}
Background
.bg-287c9e {
  background-color: #287c9e;
  color: #ffffff;
}
Border
.border-287c9e {
  border: 2px solid #287c9e;
}
CSS variables
:root {
  --color-primary: #287c9e;
  --color-primary-rgb: 40 124 158;
  --color-primary-hsl: 197 60% 39%;
}
Gradient
.gradient-287c9e {
  background: linear-gradient(135deg, #287c9e, #28419e);
}
Colored shadow
.shadow-287c9e {
  box-shadow: 0 8px 24px rgb(40 124 158 / 0.35);
}

#007ba7 Cerulean ΔE 2.60 #367588 Teal Blue ΔE 5.46 #4682b4 Steel Blue ΔE 7.54 #006994 Sea Blue ΔE 7.56 #5d8aa8 Air Force Blue ΔE 8.06 #0095b6 Bondi Blue ΔE 9.22 #0072bb French Blue ΔE 9.30 #d78361 Inverted #747474 Grayscale 

Cerulean
#287c9e  rgb(40, 124, 158)  hsl(197, 60%, 39%)  Cerulean
#9e4a28  rgb(158, 74, 40)  hsl(17, 60%, 39%)  Sienna
#9e287c  rgb(158, 40, 124)  hsl(317, 60%, 39%)  Deep Plum
#7c9e28  rgb(124, 158, 40)  hsl(77, 60%, 39%)  Olive Drab