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#287CFF

#287cff ≈ Brandeis Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#287cff is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 15.69% red, 48.63% green and 100% blue; printed in CMYK it uses 84.31% cyan, 51.37% magenta, 0% yellow and 0% black. Its hue angle is 216.56°, with 100% saturation and 57.84% 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 call-to-action buttons. Black text on this color reaches a contrast ratio of 5.42:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 4.06.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2209

Complementary

  1. #287cff
  2. #ffab28

Split complementary

  1. #287cff
  2. #ff3f28
  3. #e7ff28

Analogous

  1. #28e7ff
  2. #287cff
  3. #3f28ff

Triadic

  1. #287cff
  2. #ff287c
  3. #7cff28

Tetradic

  1. #287cff
  2. #ab28ff
  3. #ffab28
  4. #7cff28

Square

  1. #287cff
  2. #ff28e7
  3. #ffab28
  4. #28ff3f

Monochromatic

  1. #00378e
  2. #0055da
  3. #287cff
  4. #74abff
  5. #c1d9ff

Shades

#287cff mixed progressively with black.

  1. #287cff
  2. #2470e6
  3. #2063cc
  4. #1c57b3
  5. #184a99
  6. #143e80
  7. #103266
  8. #0c254d
  9. #081933
  10. #040c1a
  11. #000000

Tints

#287cff mixed progressively with white.

  1. #287cff
  2. #3e89ff
  3. #5396ff
  4. #69a3ff
  5. #7eb0ff
  6. #94beff
  7. #a9cbff
  8. #bfd8ff
  9. #d4e5ff
  10. #eaf2ff
  11. #ffffff

Tones

#287cff mixed progressively with gray.

  1. #287cff
  2. #317cf2
  3. #3a7de6
  4. #427dd9
  5. #4b7ecc
  6. #547ec0
  7. #5d7eb3
  8. #667fa6
  9. #6e7f99
  10. #77808d
  11. #808080

Readable text 3.88:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.42:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #818181 ≈ 0.003% of males
Achromatomaly #697fc1 ≈ 0.001% of males
Protanopia #1a8bff ≈ 1.01% of males
Deuteranopia #0078fc ≈ 1.27% of males
Tritanopia #009cb2 ≈ 0.0001% of males
Protanomaly #2086ff ≈ 1.08% of males
Deuteranomaly #007afd ≈ 4.63% of males
Tritanomaly #0090d5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-287cff {
  color: #287cff;
}
Background
.bg-287cff {
  background-color: #287cff;
  color: #000000;
}
Border
.border-287cff {
  border: 2px solid #287cff;
}
CSS variables
:root {
  --color-primary: #287cff;
  --color-primary-rgb: 40 124 255;
  --color-primary-hsl: 217 100% 58%;
}
Gradient
.gradient-287cff {
  background: linear-gradient(135deg, #287cff, #3f28ff);
}
Colored shadow
.shadow-287cff {
  box-shadow: 0 8px 24px rgb(40 124 255 / 0.35);
}

#0070ff Brandeis Blue ΔE 4.06 #417dc1 Tufts Blue ΔE 6.12 #318ce7 Bleu de France ΔE 6.64 #5b92e5 United Nations Blue ΔE 7.19 #1e90ff Dodger Blue ΔE 7.32 #4682b4 Steel Blue ΔE 7.53 #0073cf True Blue ΔE 7.58 #d78300 Inverted #818181 Grayscale 

Brandeis Blue
#287cff  rgb(40, 124, 255)  hsl(217, 100%, 58%)  Brandeis Blue
#ffab28  rgb(255, 171, 40)  hsl(37, 100%, 58%)  Orange
#ff287c  rgb(255, 40, 124)  hsl(337, 100%, 58%)  Rose
#7cff28  rgb(124, 255, 40)  hsl(97, 100%, 58%)  Lawn Green