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#2178CE

#2178ce ≈ True Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#2178ce is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 12.94% red, 47.06% green and 80.78% blue; printed in CMYK it uses 83.98% cyan, 41.75% magenta, 0% yellow and 19.22% black. Its hue angle is 209.83°, with 72.38% saturation and 46.86% 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 4.64:1 (WCAG AA). The closest named color is True Blue (#0073cf), ΔE 1.87.

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 luminance0.1821

Complementary

  1. #2178ce
  2. #ce7721

Split complementary

  1. #2178ce
  2. #ce2121
  3. #cecd21

Analogous

  1. #21cecd
  2. #2178ce
  3. #2121ce

Triadic

  1. #2178ce
  2. #ce2178
  3. #78ce21

Tetradic

  1. #2178ce
  2. #7721ce
  3. #ce7721
  4. #78ce21

Square

  1. #2178ce
  2. #cd21ce
  3. #ce7721
  4. #21ce21

Monochromatic

  1. #0c2b4a
  2. #16528c
  3. #2178ce
  4. #579ee4
  5. #99c4ef

Shades

#2178ce mixed progressively with black.

  1. #2178ce
  2. #1e6cb9
  3. #1a60a5
  4. #175490
  5. #14487c
  6. #113c67
  7. #0d3052
  8. #0a243e
  9. #071829
  10. #030c15
  11. #000000

Tints

#2178ce mixed progressively with white.

  1. #2178ce
  2. #3786d3
  3. #4d93d8
  4. #64a1dd
  5. #7aaee2
  6. #90bce7
  7. #a6c9eb
  8. #bcd7f0
  9. #d3e4f5
  10. #e9f2fa
  11. #ffffff

Tones

#2178ce mixed progressively with gray.

  1. #2178ce
  2. #2b79c6
  3. #347abe
  4. #3e7ab7
  5. #477baf
  6. #517ca7
  7. #5a7d9f
  8. #647e97
  9. #6d7e90
  10. #777f88
  11. #808080

Readable text 4.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.64:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #767676 ≈ 0.003% of males
Achromatomaly #5f77a1 ≈ 0.001% of males
Protanopia #4d7fd1 ≈ 1.01% of males
Deuteranopia #2d6fcc ≈ 1.27% of males
Tritanopia #008d99 ≈ 0.0001% of males
Protanomaly #3f7cd0 ≈ 1.08% of males
Deuteranomaly #2973cd ≈ 4.63% of males
Tritanomaly #0085b1 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-2178ce {
  color: #2178ce;
}
Background
.bg-2178ce {
  background-color: #2178ce;
  color: #000000;
}
Border
.border-2178ce {
  border: 2px solid #2178ce;
}
CSS variables
:root {
  --color-primary: #2178ce;
  --color-primary-rgb: 33 120 206;
  --color-primary-hsl: 210 72% 47%;
}
Gradient
.gradient-2178ce {
  background: linear-gradient(135deg, #2178ce, #2121ce);
}
Colored shadow
.shadow-2178ce {
  box-shadow: 0 8px 24px rgb(33 120 206 / 0.35);
}

#0073cf True Blue ΔE 1.87 #417dc1 Tufts Blue ΔE 2.54 #0072bb French Blue ΔE 3.86 #4682b4 Steel Blue ΔE 4.79 #0070ff Brandeis Blue ΔE 6.63 #6082b6 Glaucous ΔE 7.33 #318ce7 Bleu de France ΔE 7.44 #de8731 Inverted #767676 Grayscale 

True Blue
#2178ce  rgb(33, 120, 206)  hsl(210, 72%, 47%)  True Blue
#ce7721  rgb(206, 119, 33)  hsl(30, 72%, 47%)  Ochre
#ce2178  rgb(206, 33, 120)  hsl(330, 72%, 47%)  Telemagenta
#78ce21  rgb(120, 206, 33)  hsl(90, 72%, 47%)  Yellow Green