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#187CD4

#187cd4 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#187cd4 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 9.41% red, 48.63% green and 83.14% blue; printed in CMYK it uses 88.68% cyan, 41.51% magenta, 0% yellow and 16.86% black. Its hue angle is 208.09°, with 79.66% saturation and 46.27% 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 4.87:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.57.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1936

Complementary

  1. #187cd4
  2. #d47018

Split complementary

  1. #187cd4
  2. #d4181e
  3. #d4ce18

Analogous

  1. #18d4ce
  2. #187cd4
  3. #181ed4

Triadic

  1. #187cd4
  2. #d4187c
  3. #7cd418

Tetradic

  1. #187cd4
  2. #7018d4
  3. #d47018
  4. #7cd418

Square

  1. #187cd4
  2. #ce18d4
  3. #d47018
  4. #1ed418

Monochromatic

  1. #082c4b
  2. #10548f
  3. #187cd4
  4. #4ea1eb
  5. #92c6f3

Shades

#187cd4 mixed progressively with black.

  1. #187cd4
  2. #1670bf
  3. #1363aa
  4. #115794
  5. #0e4a7f
  6. #0c3e6a
  7. #0a3255
  8. #072540
  9. #05192a
  10. #020c15
  11. #000000

Tints

#187cd4 mixed progressively with white.

  1. #187cd4
  2. #2f89d8
  3. #4696dd
  4. #5da3e1
  5. #74b0e5
  6. #8cbeea
  7. #a3cbee
  8. #bad8f2
  9. #d1e5f6
  10. #e8f2fb
  11. #ffffff

Tones

#187cd4 mixed progressively with gray.

  1. #187cd4
  2. #227ccc
  3. #2d7dc3
  4. #377dbb
  5. #427eb2
  6. #4c7eaa
  7. #567ea2
  8. #617f99
  9. #6b7f91
  10. #768088
  11. #808080

Readable text 4.31:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.87:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #617ba6 ≈ 0.001% of males
Protanopia #4f82d7 ≈ 1.01% of males
Deuteranopia #2d72d2 ≈ 1.27% of males
Tritanopia #00919d ≈ 0.0001% of males
Protanomaly #4080d6 ≈ 1.08% of males
Deuteranomaly #2676d3 ≈ 4.63% of males
Tritanomaly #0089b6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-187cd4 {
  color: #187cd4;
}
Background
.bg-187cd4 {
  background-color: #187cd4;
  color: #000000;
}
Border
.border-187cd4 {
  border: 2px solid #187cd4;
}
CSS variables
:root {
  --color-primary: #187cd4;
  --color-primary-rgb: 24 124 212;
  --color-primary-hsl: 208 80% 46%;
}
Gradient
.gradient-187cd4 {
  background: linear-gradient(135deg, #187cd4, #181ed4);
}
Colored shadow
.shadow-187cd4 {
  box-shadow: 0 8px 24px rgb(24 124 212 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.57 #0073cf True Blue ΔE 3.33 #4682b4 Steel Blue ΔE 4.20 #0072bb French Blue ΔE 4.85 #318ce7 Bleu de France ΔE 5.92 #0070ff Brandeis Blue ΔE 7.25 #6082b6 Glaucous ΔE 7.38 #e7832b Inverted #7a7a7a Grayscale 

Tufts Blue
#187cd4  rgb(24, 124, 212)  hsl(208, 80%, 46%)  Tufts Blue
#d47018  rgb(212, 112, 24)  hsl(28, 80%, 46%)  Chocolate
#d4187c  rgb(212, 24, 124)  hsl(328, 80%, 46%)  Telemagenta
#7cd418  rgb(124, 212, 24)  hsl(88, 80%, 46%)  Yellow Green