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#237CD2

#237cd2 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#237cd2 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 13.73% red, 48.63% green and 82.35% blue; printed in CMYK it uses 83.33% cyan, 40.95% magenta, 0% yellow and 17.65% black. Its hue angle is 209.49°, with 71.43% 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 4.89:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.16.

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 luminance0.1943

Complementary

  1. #237cd2
  2. #d27923

Split complementary

  1. #237cd2
  2. #d22324
  3. #d2d123

Analogous

  1. #23d2d1
  2. #237cd2
  3. #2324d2

Triadic

  1. #237cd2
  2. #d2237c
  3. #7cd223

Tetradic

  1. #237cd2
  2. #7923d2
  3. #d27923
  4. #7cd223

Square

  1. #237cd2
  2. #d123d2
  3. #d27923
  4. #24d223

Monochromatic

  1. #0d2f4f
  2. #185590
  3. #237cd2
  4. #5da2e4
  5. #9fc8ef

Shades

#237cd2 mixed progressively with black.

  1. #237cd2
  2. #2070bd
  3. #1c63a8
  4. #195793
  5. #154a7e
  6. #123e69
  7. #0e3254
  8. #0b253f
  9. #07192a
  10. #040c15
  11. #000000

Tints

#237cd2 mixed progressively with white.

  1. #237cd2
  2. #3989d7
  3. #4f96db
  4. #65a3e0
  5. #7bb0e4
  6. #91bee9
  7. #a7cbed
  8. #bdd8f2
  9. #d3e5f6
  10. #e9f2fb
  11. #ffffff

Tones

#237cd2 mixed progressively with gray.

  1. #237cd2
  2. #2c7cca
  3. #367dc2
  4. #3f7db9
  5. #487eb1
  6. #527ea9
  7. #5b7ea1
  8. #647f99
  9. #6d7f90
  10. #778088
  11. #808080

Readable text 4.3:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.89:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #627ba5 ≈ 0.001% of males
Protanopia #5182d5 ≈ 1.01% of males
Deuteranopia #3373d0 ≈ 1.27% of males
Tritanopia #00919d ≈ 0.0001% of males
Protanomaly #4380d4 ≈ 1.08% of males
Deuteranomaly #2d77d1 ≈ 4.63% of males
Tritanomaly #0089b4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-237cd2 {
  color: #237cd2;
}
Background
.bg-237cd2 {
  background-color: #237cd2;
  color: #000000;
}
Border
.border-237cd2 {
  border: 2px solid #237cd2;
}
CSS variables
:root {
  --color-primary: #237cd2;
  --color-primary-rgb: 35 124 210;
  --color-primary-hsl: 209 71% 48%;
}
Gradient
.gradient-237cd2 {
  background: linear-gradient(135deg, #237cd2, #2324d2);
}
Colored shadow
.shadow-237cd2 {
  box-shadow: 0 8px 24px rgb(35 124 210 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.16 #0073cf True Blue ΔE 3.32 #4682b4 Steel Blue ΔE 4.06 #0072bb French Blue ΔE 4.97 #318ce7 Bleu de France ΔE 5.92 #6082b6 Glaucous ΔE 6.95 #0070ff Brandeis Blue ΔE 7.01 #dc832d Inverted #7a7a7a Grayscale 

Tufts Blue
#237cd2  rgb(35, 124, 210)  hsl(209, 71%, 48%)  Tufts Blue
#d27923  rgb(210, 121, 35)  hsl(29, 71%, 48%)  Ochre
#d2237c  rgb(210, 35, 124)  hsl(329, 71%, 48%)  Telemagenta
#7cd223  rgb(124, 210, 35)  hsl(89, 71%, 48%)  Yellow Green