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#B21E24

#b21e24 ≈ Firebrick

  • red
  • Lightness: medium
  • Saturation: strong
  • Warm
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#b21e24 is a color from the red family, with medium lightness and strong saturation. In the RGB model it is made of 69.8% red, 11.76% green and 14.12% blue; printed in CMYK it uses 0% cyan, 83.15% magenta, 79.78% yellow and 30.2% black. Its hue angle is 357.57°, with 71.15% saturation and 40.78% lightness in HSL. It is a warm color, often associated with energy, passion and urgency. Designers typically use it for food and restaurant brands, sales and promotions and brand accents. White text on this color reaches a contrast ratio of 6.77:1 (WCAG AA). The closest named color is Firebrick (#b22222), ΔE 1.09.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#993333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1052

Complementary

  1. #b21e24
  2. #1eb2ac

Split complementary

  1. #b21e24
  2. #1eb262
  3. #1e6eb2

Analogous

  1. #b21e6e
  2. #b21e24
  3. #b2621e

Triadic

  1. #b21e24
  2. #24b21e
  3. #1e24b2

Tetradic

  1. #b21e24
  2. #b2ac1e
  3. #1eb2ac
  4. #1e24b2

Square

  1. #b21e24
  2. #6eb21e
  3. #1eb2ac
  4. #621eb2

Monochromatic

  1. #2f080a
  2. #711317
  3. #b21e24
  4. #de3e45
  5. #ea7f84

Shades

#b21e24 mixed progressively with black.

  1. #b21e24
  2. #a01b20
  3. #8e181d
  4. #7d1519
  5. #6b1216
  6. #590f12
  7. #470c0e
  8. #35090b
  9. #240607
  10. #120304
  11. #000000

Tints

#b21e24 mixed progressively with white.

  1. #b21e24
  2. #ba353a
  3. #c14b50
  4. #c96266
  5. #d1787c
  6. #d98f92
  7. #e0a5a7
  8. #e8bcbd
  9. #f0d2d3
  10. #f7e9e9
  11. #ffffff

Tones

#b21e24 mixed progressively with gray.

  1. #b21e24
  2. #ad282d
  3. #a83236
  4. #a33b40
  5. #9e4549
  6. #994f52
  7. #94595b
  8. #8f6364
  9. #8a6c6e
  10. #857677
  11. #808080

Readable text 6.77:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.1:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #5b5b5b ≈ 0.003% of males
Achromatomaly #874a4b ≈ 0.001% of males
Protanopia #4f4722 ≈ 1.01% of males
Deuteranopia #73671d ≈ 1.27% of males
Tritanopia #c40023 ≈ 0.0001% of males
Protanomaly #823a23 ≈ 1.08% of males
Deuteranomaly #905320 ≈ 4.63% of males
Tritanomaly #bd0023 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-b21e24 {
  color: #b21e24;
}
Background
.bg-b21e24 {
  background-color: #b21e24;
  color: #ffffff;
}
Border
.border-b21e24 {
  border: 2px solid #b21e24;
}
CSS variables
:root {
  --color-primary: #b21e24;
  --color-primary-rgb: 178 30 36;
  --color-primary-hsl: 358 71% 41%;
}
Gradient
.gradient-b21e24 {
  background: linear-gradient(135deg, #b21e24, #b2621e);
}
Colored shadow
.shadow-b21e24 {
  box-shadow: 0 8px 24px rgb(178 30 36 / 0.35);
}

#b22222 Firebrick ΔE 1.09 #b31b1b Cornell Red ΔE 2.19 #a52a2a Brown ΔE 2.67 #a52a2a Auburn ΔE 2.67 #c80815 Venetian Red ΔE 5.17 #cf1020 Lava ΔE 5.65 #ce2029 Fire Engine Red ΔE 5.75 #4de1db Inverted #5b5b5b Grayscale 

Firebrick
#b21e24  rgb(178, 30, 36)  hsl(358, 71%, 41%)  Firebrick
#1eb2ac  rgb(30, 178, 172)  hsl(178, 71%, 41%)  Light Sea Green
#24b21e  rgb(36, 178, 30)  hsl(118, 71%, 41%)  Kelly Green
#1e24b2  rgb(30, 36, 178)  hsl(238, 71%, 41%)  Zaffre