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#287FB1

#287fb1 ≈ Cerulean

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#287fb1 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 49.8% green and 69.41% blue; printed in CMYK it uses 77.4% cyan, 28.25% magenta, 0% yellow and 30.59% black. Its hue angle is 201.9°, with 63.13% saturation and 42.55% 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 4.76:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 3.56.

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 luminance0.188

Complementary

  1. #287fb1
  2. #b15a28

Split complementary

  1. #287fb1
  2. #b1283a
  3. #b19f28

Analogous

  1. #28b19f
  2. #287fb1
  3. #283ab1

Triadic

  1. #287fb1
  2. #b1287f
  3. #7fb128

Tetradic

  1. #287fb1
  2. #5a28b1
  3. #b15a28
  4. #7fb128

Square

  1. #287fb1
  2. #9f28b1
  3. #b15a28
  4. #3ab128

Monochromatic

  1. #0c2534
  2. #1a5273
  3. #287fb1
  4. #4ea5d7
  5. #8dc5e5

Shades

#287fb1 mixed progressively with black.

  1. #287fb1
  2. #24729f
  3. #20668e
  4. #1c597c
  5. #184c6a
  6. #144059
  7. #103347
  8. #0c2635
  9. #081923
  10. #040d12
  11. #000000

Tints

#287fb1 mixed progressively with white.

  1. #287fb1
  2. #3e8cb9
  3. #5399c1
  4. #69a5c8
  5. #7eb2d0
  6. #94bfd8
  7. #a9cce0
  8. #bfd9e8
  9. #d4e5ef
  10. #eaf2f7
  11. #ffffff

Tones

#287fb1 mixed progressively with gray.

  1. #287fb1
  2. #317fac
  3. #3a7fa7
  4. #427fa2
  5. #4b7f9d
  6. #548099
  7. #5d8094
  8. #66808f
  9. #6e808a
  10. #778085
  11. #808080

Readable text 4.41:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.76:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #787878 ≈ 0.003% of males
Achromatomaly #627b92 ≈ 0.001% of males
Protanopia #677fb3 ≈ 1.01% of males
Deuteranopia #5572b0 ≈ 1.27% of males
Tritanopia #008c90 ≈ 0.0001% of males
Protanomaly #557fb2 ≈ 1.08% of males
Deuteranomaly #4778b0 ≈ 4.63% of males
Tritanomaly #00879e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-287fb1 {
  color: #287fb1;
}
Background
.bg-287fb1 {
  background-color: #287fb1;
  color: #000000;
}
Border
.border-287fb1 {
  border: 2px solid #287fb1;
}
CSS variables
:root {
  --color-primary: #287fb1;
  --color-primary-rgb: 40 127 177;
  --color-primary-hsl: 202 63% 43%;
}
Gradient
.gradient-287fb1 {
  background: linear-gradient(135deg, #287fb1, #283ab1);
}
Colored shadow
.shadow-287fb1 {
  box-shadow: 0 8px 24px rgb(40 127 177 / 0.35);
}

#007ba7 Cerulean ΔE 3.56 #4682b4 Steel Blue ΔE 3.67 #417dc1 Tufts Blue ΔE 5.90 #0072bb French Blue ΔE 5.96 #5d8aa8 Air Force Blue ΔE 7.09 #0073cf True Blue ΔE 7.10 #006994 Sea Blue ΔE 8.60 #d7804e Inverted #787878 Grayscale 

Cerulean
#287fb1  rgb(40, 127, 177)  hsl(202, 63%, 43%)  Cerulean
#b15a28  rgb(177, 90, 40)  hsl(22, 63%, 43%)  Sienna
#b1287f  rgb(177, 40, 127)  hsl(322, 63%, 43%)  Medium Violet Red
#7fb128  rgb(127, 177, 40)  hsl(82, 63%, 43%)  Apple Green