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#181FA7

#181fa7 ≈ Zaffre

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#181fa7 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 9.41% red, 12.16% green and 65.49% blue; printed in CMYK it uses 85.63% cyan, 81.44% magenta, 0% yellow and 34.51% black. Its hue angle is 237.06°, with 74.87% saturation and 37.45% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 11.71:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 2.06.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0396

Complementary

  1. #181fa7
  2. #a7a018

Split complementary

  1. #181fa7
  2. #a75818
  3. #67a718

Analogous

  1. #1867a7
  2. #181fa7
  3. #5818a7

Triadic

  1. #181fa7
  2. #a7181f
  3. #1fa718

Tetradic

  1. #181fa7
  2. #a018a7
  3. #a7a018
  4. #1fa718

Square

  1. #181fa7
  2. #a71867
  3. #a7a018
  4. #18a758

Monochromatic

  1. #050621
  2. #0e1364
  3. #181fa7
  4. #2b34e1
  5. #6e74ea

Shades

#181fa7 mixed progressively with black.

  1. #181fa7
  2. #161c96
  3. #131986
  4. #111675
  5. #0e1364
  6. #0c1054
  7. #0a0c43
  8. #070932
  9. #050621
  10. #020311
  11. #000000

Tints

#181fa7 mixed progressively with white.

  1. #181fa7
  2. #2f35b0
  3. #464cb9
  4. #5d62c1
  5. #7479ca
  6. #8c8fd3
  7. #a3a5dc
  8. #babce5
  9. #d1d2ed
  10. #e8e9f6
  11. #ffffff

Tones

#181fa7 mixed progressively with gray.

  1. #181fa7
  2. #2229a3
  3. #2d329f
  4. #373c9b
  5. #424697
  6. #4c5094
  7. #565990
  8. #61638c
  9. #6b6d88
  10. #767684
  11. #808080

Readable text 11.71:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.79:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #383838 ≈ 0.003% of males
Achromatomaly #2e3075 ≈ 0.001% of males
Protanopia #003fab ≈ 1.01% of males
Deuteranopia #0030a5 ≈ 1.27% of males
Tritanopia #004a64 ≈ 0.0001% of males
Protanomaly #0035a9 ≈ 1.08% of males
Deuteranomaly #002aa6 ≈ 4.63% of males
Tritanomaly #003d84 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-181fa7 {
  color: #181fa7;
}
Background
.bg-181fa7 {
  background-color: #181fa7;
  color: #ffffff;
}
Border
.border-181fa7 {
  border: 2px solid #181fa7;
}
CSS variables
:root {
  --color-primary: #181fa7;
  --color-primary-rgb: 24 31 167;
  --color-primary-hsl: 237 75% 37%;
}
Gradient
.gradient-181fa7 {
  background: linear-gradient(135deg, #181fa7, #5818a7);
}
Colored shadow
.shadow-181fa7 {
  box-shadow: 0 8px 24px rgb(24 31 167 / 0.35);
}

#0014a8 Zaffre ΔE 2.06 #002395 Imperial Blue ΔE 3.23 #0000cd Medium Blue ΔE 5.24 #000f89 Phthalo Blue ΔE 5.36 #1034a6 Egyptian Blue ΔE 5.56 #003399 Smalt ΔE 6.50 #00008b Dark Blue ΔE 6.50 #e7e058 Inverted #383838 Grayscale 

Zaffre
#181fa7  rgb(24, 31, 167)  hsl(237, 75%, 37%)  Zaffre
#a7a018  rgb(167, 160, 24)  hsl(57, 75%, 37%)  Brass
#a7181f  rgb(167, 24, 31)  hsl(357, 75%, 37%)  Brown
#1fa718  rgb(31, 167, 24)  hsl(117, 75%, 37%)  Kelly Green