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#287CBF

#287cbf ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#287cbf is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 48.63% green and 74.9% blue; printed in CMYK it uses 79.06% cyan, 35.08% magenta, 0% yellow and 25.1% black. Its hue angle is 206.62°, with 65.37% saturation and 45.29% 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 4.73:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.99.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1863

Complementary

  1. #287cbf
  2. #bf6b28

Split complementary

  1. #287cbf
  2. #bf2830
  3. #bfb628

Analogous

  1. #28bfb6
  2. #287cbf
  3. #2830bf

Triadic

  1. #287cbf
  2. #bf287c
  3. #7cbf28

Tetradic

  1. #287cbf
  2. #6b28bf
  3. #bf6b28
  4. #7cbf28

Square

  1. #287cbf
  2. #b628bf
  3. #bf6b28
  4. #30bf28

Monochromatic

  1. #0e2a40
  2. #1b5380
  3. #287cbf
  4. #58a1dc
  5. #97c5e9

Shades

#287cbf mixed progressively with black.

  1. #287cbf
  2. #2470ac
  3. #206399
  4. #1c5786
  5. #184a73
  6. #143e60
  7. #10324c
  8. #0c2539
  9. #081926
  10. #040c13
  11. #000000

Tints

#287cbf mixed progressively with white.

  1. #287cbf
  2. #3e89c5
  3. #5396cc
  4. #69a3d2
  5. #7eb0d9
  6. #94bedf
  7. #a9cbe5
  8. #bfd8ec
  9. #d4e5f2
  10. #eaf2f9
  11. #ffffff

Tones

#287cbf mixed progressively with gray.

  1. #287cbf
  2. #317cb9
  3. #3a7db2
  4. #427dac
  5. #4b7ea6
  6. #547ea0
  7. #5d7e99
  8. #667f93
  9. #6e7f8d
  10. #778086
  11. #808080

Readable text 4.44:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.73:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #787878 ≈ 0.003% of males
Achromatomaly #617999 ≈ 0.001% of males
Protanopia #5d7fc2 ≈ 1.01% of males
Deuteranopia #4771be ≈ 1.27% of males
Tritanopia #008c94 ≈ 0.0001% of males
Protanomaly #4d7ec1 ≈ 1.08% of males
Deuteranomaly #3d76be ≈ 4.63% of males
Tritanomaly #0086a7 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-287cbf {
  color: #287cbf;
}
Background
.bg-287cbf {
  background-color: #287cbf;
  color: #000000;
}
Border
.border-287cbf {
  border: 2px solid #287cbf;
}
CSS variables
:root {
  --color-primary: #287cbf;
  --color-primary-rgb: 40 124 191;
  --color-primary-hsl: 207 65% 45%;
}
Gradient
.gradient-287cbf {
  background: linear-gradient(135deg, #287cbf, #2830bf);
}
Colored shadow
.shadow-287cbf {
  box-shadow: 0 8px 24px rgb(40 124 191 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.99 #4682b4 Steel Blue ΔE 3.21 #0072bb French Blue ΔE 3.82 #0073cf True Blue ΔE 3.85 #007ba7 Cerulean ΔE 6.94 #318ce7 Bleu de France ΔE 7.06 #6082b6 Glaucous ΔE 7.53 #d78340 Inverted #787878 Grayscale 

Tufts Blue
#287cbf  rgb(40, 124, 191)  hsl(207, 65%, 45%)  Tufts Blue
#bf6b28  rgb(191, 107, 40)  hsl(27, 65%, 45%)  Copper
#bf287c  rgb(191, 40, 124)  hsl(327, 65%, 45%)  Medium Violet Red
#7cbf28  rgb(124, 191, 40)  hsl(87, 65%, 45%)  Yellow Green