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#287C9F

#287c9f ≈ Cerulean

  • azure
  • Lightness: low
  • Saturation: moderate
  • Cool
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#287c9f 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 62.35% blue; printed in CMYK it uses 74.84% cyan, 22.01% magenta, 0% yellow and 37.65% black. Its hue angle is 197.65°, with 59.8% 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 4.69:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 2.32.

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 luminance0.1737

Complementary

  1. #287c9f
  2. #9f4b28

Split complementary

  1. #287c9f
  2. #9f2840
  3. #9f8728

Analogous

  1. #289f87
  2. #287c9f
  3. #28409f

Triadic

  1. #287c9f
  2. #9f287c
  3. #7c9f28

Tetradic

  1. #287c9f
  2. #4b289f
  3. #9f4b28
  4. #7c9f28

Square

  1. #287c9f
  2. #87289f
  3. #9f4b28
  4. #409f28

Monochromatic

  1. #091d25
  2. #194c62
  3. #287c9f
  4. #44a7d0
  5. #81c3df

Shades

#287c9f mixed progressively with black.

  1. #287c9f
  2. #24708f
  3. #20637f
  4. #1c576f
  5. #184a5f
  6. #143e50
  7. #103240
  8. #0c2530
  9. #081920
  10. #040c10
  11. #000000

Tints

#287c9f mixed progressively with white.

  1. #287c9f
  2. #3e89a9
  3. #5396b2
  4. #69a3bc
  5. #7eb0c5
  6. #94becf
  7. #a9cbd9
  8. #bfd8e2
  9. #d4e5ec
  10. #eaf2f5
  11. #ffffff

Tones

#287c9f mixed progressively with gray.

  1. #287c9f
  2. #317c9c
  3. #3a7d99
  4. #427d96
  5. #4b7e93
  6. #547e90
  7. #5d7e8c
  8. #667f89
  9. #6e7f86
  10. #778083
  11. #808080

Readable text 4.69:1 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 #6a7aa1 ≈ 1.01% of males
Deuteranopia #5a6f9f ≈ 1.27% of males
Tritanopia #008688 ≈ 0.0001% of males
Protanomaly #577ba0 ≈ 1.08% of males
Deuteranomaly #4b749f ≈ 4.63% of males
Tritanomaly #008292 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-287c9f {
  color: #287c9f;
}
Background
.bg-287c9f {
  background-color: #287c9f;
  color: #ffffff;
}
Border
.border-287c9f {
  border: 2px solid #287c9f;
}
CSS variables
:root {
  --color-primary: #287c9f;
  --color-primary-rgb: 40 124 159;
  --color-primary-hsl: 198 60% 39%;
}
Gradient
.gradient-287c9f {
  background: linear-gradient(135deg, #287c9f, #28409f);
}
Colored shadow
.shadow-287c9f {
  box-shadow: 0 8px 24px rgb(40 124 159 / 0.35);
}

#007ba7 Cerulean ΔE 2.32 #367588 Teal Blue ΔE 5.75 #4682b4 Steel Blue ΔE 7.24 #006994 Sea Blue ΔE 7.45 #5d8aa8 Air Force Blue ΔE 7.97 #0072bb French Blue ΔE 8.95 #0095b6 Bondi Blue ΔE 9.31 #d78360 Inverted #747474 Grayscale 

Cerulean
#287c9f  rgb(40, 124, 159)  hsl(198, 60%, 39%)  Cerulean
#9f4b28  rgb(159, 75, 40)  hsl(18, 60%, 39%)  Sienna
#9f287c  rgb(159, 40, 124)  hsl(318, 60%, 39%)  Deep Plum
#7c9f28  rgb(124, 159, 40)  hsl(78, 60%, 39%)  Olive Drab