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#001CB8

#001cb8 ≈ Zaffre

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#001cb8 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 0% red, 10.98% green and 72.16% blue; printed in CMYK it uses 100% cyan, 84.78% magenta, 0% yellow and 27.84% black. Its hue angle is 230.87°, with 100% saturation and 36.08% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 11.3:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 2.61.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0429

Complementary

  1. #001cb8
  2. #b89c00

Split complementary

  1. #001cb8
  2. #b84000
  3. #78b800

Analogous

  1. #0078b8
  2. #001cb8
  3. #4000b8

Triadic

  1. #001cb8
  2. #b8001c
  3. #1cb800

Tetradic

  1. #001cb8
  2. #9c00b8
  3. #b89c00
  4. #1cb800

Square

  1. #001cb8
  2. #b80078
  3. #b89c00
  4. #00b840

Monochromatic

  1. #00051f
  2. #00106c
  3. #001cb8
  4. #062bff
  5. #526cff

Shades

#001cb8 mixed progressively with black.

  1. #001cb8
  2. #0019a6
  3. #001693
  4. #001481
  5. #00116e
  6. #000e5c
  7. #000b4a
  8. #000837
  9. #000625
  10. #000312
  11. #000000

Tints

#001cb8 mixed progressively with white.

  1. #001cb8
  2. #1a33bf
  3. #3349c6
  4. #4d60cd
  5. #6677d4
  6. #808edc
  7. #99a4e3
  8. #b3bbea
  9. #ccd2f1
  10. #e6e8f8
  11. #ffffff

Tones

#001cb8 mixed progressively with gray.

  1. #001cb8
  2. #0d26b2
  3. #1a30ad
  4. #263aa7
  5. #3344a2
  6. #404e9c
  7. #4d5896
  8. #5a6291
  9. #666c8b
  10. #737686
  11. #808080

Readable text 11.3:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.86:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3a3a3a ≈ 0.003% of males
Achromatomaly #2d3180 ≈ 0.001% of males
Protanopia #0043bc ≈ 1.01% of males
Deuteranopia #0031b5 ≈ 1.27% of males
Tritanopia #00516d ≈ 0.0001% of males
Protanomaly #0037ba ≈ 1.08% of males
Deuteranomaly #002ab7 ≈ 4.63% of males
Tritanomaly #004191 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-001cb8 {
  color: #001cb8;
}
Background
.bg-001cb8 {
  background-color: #001cb8;
  color: #ffffff;
}
Border
.border-001cb8 {
  border: 2px solid #001cb8;
}
CSS variables
:root {
  --color-primary: #001cb8;
  --color-primary-rgb: 0 28 184;
  --color-primary-hsl: 231 100% 36%;
}
Gradient
.gradient-001cb8 {
  background: linear-gradient(135deg, #001cb8, #4000b8);
}
Colored shadow
.shadow-001cb8 {
  box-shadow: 0 8px 24px rgb(0 28 184 / 0.35);
}

#0014a8 Zaffre ΔE 2.61 #0000cd Medium Blue ΔE 3.41 #002395 Imperial Blue ΔE 5.04 #1034a6 Egyptian Blue ΔE 6.25 #1c39bb Persian Blue ΔE 6.69 #000f89 Phthalo Blue ΔE 6.87 #003399 Smalt ΔE 7.56 #ffe347 Inverted #3a3a3a Grayscale 

Zaffre
#001cb8  rgb(0, 28, 184)  hsl(231, 100%, 36%)  Zaffre
#b89c00  rgb(184, 156, 0)  hsl(51, 100%, 36%)  Brass
#b8001c  rgb(184, 0, 28)  hsl(351, 100%, 36%)  Cornell Red
#1cb800  rgb(28, 184, 0)  hsl(111, 100%, 36%)  Kelly Green