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#B30000

#b30000 ≈ Rufous

  • red
  • Lightness: low
  • Saturation: strong
  • Warm
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#b30000 is a color from the red family, with low lightness and strong saturation. In the RGB model it is made of 70.2% red, 0% green and 0% blue; printed in CMYK it uses 0% cyan, 100% magenta, 100% yellow and 29.8% black. Its hue angle is 0°, with 100% saturation and 35.1% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 7.2:1 (WCAG AAA). The closest named color is Rufous (#a81c07), ΔE 2.18.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#cc0000
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0958

Complementary

  1. #b30000
  2. #00b3b3

Split complementary

  1. #b30000
  2. #00b35a
  3. #005ab3

Analogous

  1. #b3005a
  2. #b30000
  3. #b35a00

Triadic

  1. #b30000
  2. #00b300
  3. #0000b3

Tetradic

  1. #b30000
  2. #b3b300
  3. #00b3b3
  4. #0000b3

Square

  1. #b30000
  2. #5ab300
  3. #00b3b3
  4. #5a00b3

Monochromatic

  1. #1a0000
  2. #670000
  3. #b30000
  4. #ff0101
  5. #ff4d4d

Shades

#b30000 mixed progressively with black.

  1. #b30000
  2. #a10000
  3. #8f0000
  4. #7d0000
  5. #6b0000
  6. #5a0000
  7. #480000
  8. #360000
  9. #240000
  10. #120000
  11. #000000

Tints

#b30000 mixed progressively with white.

  1. #b30000
  2. #bb1a1a
  3. #c23333
  4. #ca4d4d
  5. #d16666
  6. #d98080
  7. #e19999
  8. #e8b3b3
  9. #f0cccc
  10. #f7e6e6
  11. #ffffff

Tones

#b30000 mixed progressively with gray.

  1. #b30000
  2. #ae0d0d
  3. #a91a1a
  4. #a42626
  5. #9f3333
  6. #9a4040
  7. #944d4d
  8. #8f5a5a
  9. #8a6666
  10. #857373
  11. #808080

Readable text 7.2:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.92:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #575757 ≈ 0.003% of males
Achromatomaly #864444 ≈ 0.001% of males
Protanopia #4a4000 ≈ 1.01% of males
Deuteranopia #716400 ≈ 1.27% of males
Tritanopia #c60007 ≈ 0.0001% of males
Protanomaly #823100 ≈ 1.08% of males
Deuteranomaly #904e00 ≈ 4.63% of males
Tritanomaly #bf0004 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-b30000 {
  color: #b30000;
}
Background
.bg-b30000 {
  background-color: #b30000;
  color: #ffffff;
}
Border
.border-b30000 {
  border: 2px solid #b30000;
}
CSS variables
:root {
  --color-primary: #b30000;
  --color-primary-rgb: 179 0 0;
  --color-primary-hsl: 0 100% 35%;
}
Gradient
.gradient-b30000 {
  background: linear-gradient(135deg, #b30000, #b35a00);
}
Colored shadow
.shadow-b30000 {
  box-shadow: 0 8px 24px rgb(179 0 0 / 0.35);
}

#a81c07 Rufous ΔE 2.18 #b31b1b Cornell Red ΔE 4.13 #c80815 Venetian Red ΔE 5.15 #b22222 Firebrick ΔE 5.46 #d40000 Rosso Corsa ΔE 6.72 #92000a Sangria ΔE 7.21 #cf1020 Lava ΔE 7.49 #4cffff Inverted #575757 Grayscale 

Rufous
#b30000  rgb(179, 0, 0)  hsl(0, 100%, 35%)  Rufous
#00b3b3  rgb(0, 179, 179)  hsl(180, 100%, 35%)  Tiffany Blue
#00b300  rgb(0, 179, 0)  hsl(120, 100%, 35%)  Kelly Green
#0000b3  rgb(0, 0, 179)  hsl(240, 100%, 35%)  Zaffre