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#2811AB

#2811ab ≈ Zaffre

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#2811ab is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 15.69% red, 6.67% green and 67.06% blue; printed in CMYK it uses 76.61% cyan, 90.06% magenta, 0% yellow and 32.94% black. Its hue angle is 248.96°, with 81.91% saturation and 36.86% 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 11.94:1 (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#330099
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0379

Complementary

  1. #2811ab
  2. #94ab11

Split complementary

  1. #2811ab
  2. #ab7511
  3. #47ab11

Analogous

  1. #1147ab
  2. #2811ab
  3. #7511ab

Triadic

  1. #2811ab
  2. #ab2811
  3. #11ab28

Tetradic

  1. #2811ab
  2. #ab1194
  3. #94ab11
  4. #11ab28

Square

  1. #2811ab
  2. #ab1147
  3. #94ab11
  4. #11ab75

Monochromatic

  1. #070320
  2. #180a65
  3. #2811ab
  4. #3e20e9
  5. #7a65f0

Shades

#2811ab mixed progressively with black.

  1. #2811ab
  2. #240f9a
  3. #200e89
  4. #1c0c78
  5. #180a67
  6. #140956
  7. #100744
  8. #0c0533
  9. #080322
  10. #040211
  11. #000000

Tints

#2811ab mixed progressively with white.

  1. #2811ab
  2. #3e29b3
  3. #5341bc
  4. #6958c4
  5. #7e70cd
  6. #9488d5
  7. #a9a0dd
  8. #bfb8e6
  9. #d4cfee
  10. #eae7f7
  11. #ffffff

Tones

#2811ab mixed progressively with gray.

  1. #2811ab
  2. #311ca7
  3. #3a27a2
  4. #42329e
  5. #4b3d9a
  6. #544996
  7. #5d5491
  8. #665f8d
  9. #6e6a89
  10. #777584
  11. #808080

Readable text 11.94:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.76:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #373737 ≈ 0.003% of males
Achromatomaly #312c77 ≈ 0.001% of males
Protanopia #003daf ≈ 1.01% of males
Deuteranopia #0030a9 ≈ 1.27% of males
Tritanopia #004764 ≈ 0.0001% of males
Protanomaly #0031ad ≈ 1.08% of males
Deuteranomaly #0026aa ≈ 4.63% of males
Tritanomaly #003986 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-2811ab {
  color: #2811ab;
}
Background
.bg-2811ab {
  background-color: #2811ab;
  color: #ffffff;
}
Border
.border-2811ab {
  border: 2px solid #2811ab;
}
CSS variables
:root {
  --color-primary: #2811ab;
  --color-primary-rgb: 40 17 171;
  --color-primary-hsl: 249 82% 37%;
}
Gradient
.gradient-2811ab {
  background: linear-gradient(135deg, #2811ab, #7511ab);
}
Colored shadow
.shadow-2811ab {
  box-shadow: 0 8px 24px rgb(40 17 171 / 0.35);
}

#0014a8 Zaffre ΔE 2.06 #0000cd Medium Blue ΔE 3.99 #002395 Imperial Blue ΔE 5.48 #000f89 Phthalo Blue ΔE 5.52 #00008b Dark Blue ΔE 5.81 #32127a Persian Indigo ΔE 7.03 #000080 Navy ΔE 7.23 #d7ee54 Inverted #373737 Grayscale 

Zaffre
#2811ab  rgb(40, 17, 171)  hsl(249, 82%, 37%)  Zaffre
#94ab11  rgb(148, 171, 17)  hsl(69, 82%, 37%)  Apple Green
#ab2811  rgb(171, 40, 17)  hsl(9, 82%, 37%)  Rufous
#11ab28  rgb(17, 171, 40)  hsl(129, 82%, 37%)  Kelly Green