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#287DCD

#287dcd ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#287dcd is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 15.69% red, 49.02% green and 80.39% blue; printed in CMYK it uses 80.49% cyan, 39.02% magenta, 0% yellow and 19.61% black. Its hue angle is 209.09°, with 67.35% saturation and 48.04% 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 4.91:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.04.

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 luminance0.1953

Complementary

  1. #287dcd
  2. #cd7828

Split complementary

  1. #287dcd
  2. #cd282a
  3. #cdcb28

Analogous

  1. #28cdcb
  2. #287dcd
  3. #282acd

Triadic

  1. #287dcd
  2. #cd287d
  3. #7dcd28

Tetradic

  1. #287dcd
  2. #7828cd
  3. #cd7828
  4. #7dcd28

Square

  1. #287dcd
  2. #cb28cd
  3. #cd7828
  4. #2acd28

Monochromatic

  1. #0f2f4d
  2. #1c568d
  3. #287dcd
  4. #61a3e0
  5. #a1c8ed

Shades

#287dcd mixed progressively with black.

  1. #287dcd
  2. #2471b9
  3. #2064a4
  4. #1c5890
  5. #184b7b
  6. #143f67
  7. #103252
  8. #0c263e
  9. #081929
  10. #040d15
  11. #000000

Tints

#287dcd mixed progressively with white.

  1. #287dcd
  2. #3e8ad2
  3. #5397d7
  4. #69a4dc
  5. #7eb1e1
  6. #94bee6
  7. #a9cbeb
  8. #bfd8f0
  9. #d4e5f5
  10. #eaf2fa
  11. #ffffff

Tones

#287dcd mixed progressively with gray.

  1. #287dcd
  2. #317dc5
  3. #3a7ebe
  4. #427eb6
  5. #4b7eae
  6. #547fa7
  7. #5d7f9f
  8. #667f97
  9. #6e7f8f
  10. #778088
  11. #808080

Readable text 4.28:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.91:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #637ba2 ≈ 0.001% of males
Protanopia #5682d0 ≈ 1.01% of males
Deuteranopia #3c73cb ≈ 1.27% of males
Tritanopia #00909b ≈ 0.0001% of males
Protanomaly #4880cf ≈ 1.08% of males
Deuteranomaly #3577cc ≈ 4.63% of males
Tritanomaly #0089b1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-287dcd {
  color: #287dcd;
}
Background
.bg-287dcd {
  background-color: #287dcd;
  color: #000000;
}
Border
.border-287dcd {
  border: 2px solid #287dcd;
}
CSS variables
:root {
  --color-primary: #287dcd;
  --color-primary-rgb: 40 125 205;
  --color-primary-hsl: 209 67% 48%;
}
Gradient
.gradient-287dcd {
  background: linear-gradient(135deg, #287dcd, #282acd);
}
Colored shadow
.shadow-287dcd {
  box-shadow: 0 8px 24px rgb(40 125 205 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.04 #4682b4 Steel Blue ΔE 3.57 #0073cf True Blue ΔE 3.63 #0072bb French Blue ΔE 4.92 #318ce7 Bleu de France ΔE 5.79 #6082b6 Glaucous ΔE 6.83 #0070ff Brandeis Blue ΔE 7.49 #d78232 Inverted #7a7a7a Grayscale 

Tufts Blue
#287dcd  rgb(40, 125, 205)  hsl(209, 67%, 48%)  Tufts Blue
#cd7828  rgb(205, 120, 40)  hsl(29, 67%, 48%)  Ochre
#cd287d  rgb(205, 40, 125)  hsl(329, 67%, 48%)  Telemagenta
#7dcd28  rgb(125, 205, 40)  hsl(89, 67%, 48%)  Yellow Green