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#287CDD

#287cdd ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#287cdd 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 86.67% blue; printed in CMYK it uses 81.9% cyan, 43.89% magenta, 0% yellow and 13.33% black. Its hue angle is 212.15°, with 72.69% saturation and 51.18% 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 5.02:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.58.

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 luminance0.2009

Complementary

  1. #287cdd
  2. #dd8928

Split complementary

  1. #287cdd
  2. #dd2f28
  3. #d7dd28

Analogous

  1. #28d7dd
  2. #287cdd
  3. #2f28dd

Triadic

  1. #287cdd
  2. #dd287c
  3. #7cdd28

Tetradic

  1. #287cdd
  2. #8928dd
  3. #dd8928
  4. #7cdd28

Square

  1. #287cdd
  2. #dd28d7
  3. #dd8928
  4. #28dd2f

Monochromatic

  1. #0f335d
  2. #19579f
  3. #287cdd
  4. #6aa4e7
  5. #accdf2

Shades

#287cdd mixed progressively with black.

  1. #287cdd
  2. #2470c7
  3. #2063b1
  4. #1c579b
  5. #184a85
  6. #143e6f
  7. #103258
  8. #0c2542
  9. #08192c
  10. #040c16
  11. #000000

Tints

#287cdd mixed progressively with white.

  1. #287cdd
  2. #3e89e0
  3. #5396e4
  4. #69a3e7
  5. #7eb0eb
  6. #94beee
  7. #a9cbf1
  8. #bfd8f5
  9. #d4e5f8
  10. #eaf2fc
  11. #ffffff

Tones

#287cdd mixed progressively with gray.

  1. #287cdd
  2. #317cd4
  3. #3a7dca
  4. #427dc1
  5. #4b7eb8
  6. #547eaf
  7. #5d7ea5
  8. #667f9c
  9. #6e7f93
  10. #778089
  11. #808080

Readable text 4.19:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.02:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7c7c7c ≈ 0.003% of males
Achromatomaly #657cab ≈ 0.001% of males
Protanopia #4985e1 ≈ 1.01% of males
Deuteranopia #2374db ≈ 1.27% of males
Tritanopia #0093a2 ≈ 0.0001% of males
Protanomaly #3e81df ≈ 1.08% of males
Deuteranomaly #2577dc ≈ 4.63% of males
Tritanomaly #008bbc ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-287cdd {
  color: #287cdd;
}
Background
.bg-287cdd {
  background-color: #287cdd;
  color: #000000;
}
Border
.border-287cdd {
  border: 2px solid #287cdd;
}
CSS variables
:root {
  --color-primary: #287cdd;
  --color-primary-rgb: 40 124 221;
  --color-primary-hsl: 212 73% 51%;
}
Gradient
.gradient-287cdd {
  background: linear-gradient(135deg, #287cdd, #2f28dd);
}
Colored shadow
.shadow-287cdd {
  box-shadow: 0 8px 24px rgb(40 124 221 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.58 #0073cf True Blue ΔE 4.05 #4682b4 Steel Blue ΔE 4.82 #318ce7 Bleu de France ΔE 5.65 #0070ff Brandeis Blue ΔE 5.76 #0072bb French Blue ΔE 6.32 #6082b6 Glaucous ΔE 6.54 #d78322 Inverted #7c7c7c Grayscale 

Tufts Blue
#287cdd  rgb(40, 124, 221)  hsl(212, 73%, 51%)  Tufts Blue
#dd8928  rgb(221, 137, 40)  hsl(32, 73%, 51%)  Fulvous
#dd287c  rgb(221, 40, 124)  hsl(332, 73%, 51%)  Telemagenta
#7cdd28  rgb(124, 221, 40)  hsl(92, 73%, 51%)  Yellow Green