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#237DCE

#237dce ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#237dce is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 13.73% red, 49.02% green and 80.78% blue; printed in CMYK it uses 83.01% cyan, 39.32% magenta, 0% yellow and 19.22% black. Its hue angle is 208.42°, with 70.95% saturation and 47.25% 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 4.9:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.31.

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 luminance0.1948

Complementary

  1. #237dce
  2. #ce7423

Split complementary

  1. #237dce
  2. #ce2328
  3. #cec923

Analogous

  1. #23cec9
  2. #237dce
  3. #2328ce

Triadic

  1. #237dce
  2. #ce237d
  3. #7dce23

Tetradic

  1. #237dce
  2. #7423ce
  3. #ce7423
  4. #7dce23

Square

  1. #237dce
  2. #c923ce
  3. #ce7423
  4. #28ce23

Monochromatic

  1. #0d2e4b
  2. #18558d
  3. #237dce
  4. #5aa2e3
  5. #9cc7ee

Shades

#237dce mixed progressively with black.

  1. #237dce
  2. #2071b9
  3. #1c64a5
  4. #195890
  5. #154b7c
  6. #123f67
  7. #0e3252
  8. #0b263e
  9. #071929
  10. #040d15
  11. #000000

Tints

#237dce mixed progressively with white.

  1. #237dce
  2. #398ad3
  3. #4f97d8
  4. #65a4dd
  5. #7bb1e2
  6. #91bee7
  7. #a7cbeb
  8. #bdd8f0
  9. #d3e5f5
  10. #e9f2fa
  11. #ffffff

Tones

#237dce mixed progressively with gray.

  1. #237dce
  2. #2c7dc6
  3. #367ebe
  4. #3f7eb7
  5. #487eaf
  6. #527fa7
  7. #5b7f9f
  8. #647f97
  9. #6d7f90
  10. #778088
  11. #808080

Readable text 4.29:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.9:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #637ba2 ≈ 0.001% of males
Protanopia #5682d1 ≈ 1.01% of males
Deuteranopia #3a73cc ≈ 1.27% of males
Tritanopia #00909b ≈ 0.0001% of males
Protanomaly #4680d0 ≈ 1.08% of males
Deuteranomaly #3277cd ≈ 4.63% of males
Tritanomaly #0089b2 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-237dce {
  color: #237dce;
}
Background
.bg-237dce {
  background-color: #237dce;
  color: #000000;
}
Border
.border-237dce {
  border: 2px solid #237dce;
}
CSS variables
:root {
  --color-primary: #237dce;
  --color-primary-rgb: 35 125 206;
  --color-primary-hsl: 208 71% 47%;
}
Gradient
.gradient-237dce {
  background: linear-gradient(135deg, #237dce, #2328ce);
}
Colored shadow
.shadow-237dce {
  box-shadow: 0 8px 24px rgb(35 125 206 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.31 #0073cf True Blue ΔE 3.65 #4682b4 Steel Blue ΔE 3.66 #0072bb French Blue ΔE 4.84 #318ce7 Bleu de France ΔE 5.81 #6082b6 Glaucous ΔE 7.10 #0070ff Brandeis Blue ΔE 7.65 #dc8231 Inverted #7a7a7a Grayscale 

Tufts Blue
#237dce  rgb(35, 125, 206)  hsl(208, 71%, 47%)  Tufts Blue
#ce7423  rgb(206, 116, 35)  hsl(28, 71%, 47%)  Ochre
#ce237d  rgb(206, 35, 125)  hsl(328, 71%, 47%)  Telemagenta
#7dce23  rgb(125, 206, 35)  hsl(88, 71%, 47%)  Yellow Green