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#231CB4

#231cb4 ≈ Zaffre

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#231cb4 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 13.73% red, 10.98% green and 70.59% blue; printed in CMYK it uses 80.56% cyan, 84.44% magenta, 0% yellow and 29.41% black. Its hue angle is 242.76°, with 73.08% saturation and 40.78% 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 11.07:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 2.82.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0448

Complementary

  1. #231cb4
  2. #adb41c

Split complementary

  1. #231cb4
  2. #b46f1c
  3. #61b41c

Analogous

  1. #1c61b4
  2. #231cb4
  3. #6f1cb4

Triadic

  1. #231cb4
  2. #b4231c
  3. #1cb423

Tetradic

  1. #231cb4
  2. #b41cad
  3. #adb41c
  4. #1cb423

Square

  1. #231cb4
  2. #b41c61
  3. #adb41c
  4. #1cb46f

Monochromatic

  1. #090730
  2. #161272
  3. #231cb4
  4. #433ce1
  5. #837eeb

Shades

#231cb4 mixed progressively with black.

  1. #231cb4
  2. #2019a2
  3. #1c1690
  4. #19147e
  5. #15116c
  6. #120e5a
  7. #0e0b48
  8. #0b0836
  9. #070624
  10. #040312
  11. #000000

Tints

#231cb4 mixed progressively with white.

  1. #231cb4
  2. #3933bc
  3. #4f49c3
  4. #6560cb
  5. #7b77d2
  6. #918eda
  7. #a7a4e1
  8. #bdbbe9
  9. #d3d2f0
  10. #e9e8f8
  11. #ffffff

Tones

#231cb4 mixed progressively with gray.

  1. #231cb4
  2. #2c26af
  3. #3630aa
  4. #3f3aa4
  5. #48449f
  6. #524e9a
  7. #5b5895
  8. #646290
  9. #6d6c8a
  10. #777685
  11. #808080

Readable text 11.07:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.9:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3c3c3c ≈ 0.003% of males
Achromatomaly #33327e ≈ 0.001% of males
Protanopia #0043b8 ≈ 1.01% of males
Deuteranopia #0034b2 ≈ 1.27% of males
Tritanopia #004e6b ≈ 0.0001% of males
Protanomaly #0037b6 ≈ 1.08% of males
Deuteranomaly #002cb3 ≈ 4.63% of males
Tritanomaly #00408e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-231cb4 {
  color: #231cb4;
}
Background
.bg-231cb4 {
  background-color: #231cb4;
  color: #ffffff;
}
Border
.border-231cb4 {
  border: 2px solid #231cb4;
}
CSS variables
:root {
  --color-primary: #231cb4;
  --color-primary-rgb: 35 28 180;
  --color-primary-hsl: 243 73% 41%;
}
Gradient
.gradient-231cb4 {
  background: linear-gradient(135deg, #231cb4, #6f1cb4);
}
Colored shadow
.shadow-231cb4 {
  box-shadow: 0 8px 24px rgb(35 28 180 / 0.35);
}

#0014a8 Zaffre ΔE 2.82 #0000cd Medium Blue ΔE 3.57 #002395 Imperial Blue ΔE 5.27 #1034a6 Egyptian Blue ΔE 6.49 #1c39bb Persian Blue ΔE 6.82 #000f89 Phthalo Blue ΔE 6.88 #00008b Dark Blue ΔE 7.56 #dce34b Inverted #3c3c3c Grayscale 

Zaffre
#231cb4  rgb(35, 28, 180)  hsl(243, 73%, 41%)  Zaffre
#adb41c  rgb(173, 180, 28)  hsl(63, 73%, 41%)  Apple Green
#b4231c  rgb(180, 35, 28)  hsl(3, 73%, 41%)  Cornell Red
#1cb423  rgb(28, 180, 35)  hsl(123, 73%, 41%)  Kelly Green