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B00A00

#B00A00 closest to All Systems Red

#B00A00 is a dark, vivid red; the closest named color is All Systems Red. In the RGB color model it is made of 69.0% red, 3.9% green and 0.0% blue (rgb(176, 10, 0)). Its HSL value is 3° hue, 100% saturation and 35% lightness, and in CMYK it is 0% cyan, 94% magenta, 100% yellow and 31% black. #B00A00 is a warm color. White text reads best on it, with a contrast ratio of 7.27:1.

Make a palette with #B00A00

#B00A00 color conversion

HEX
RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #B00A00

Shades

Mixed with black: richer and darker.

B00A009907008205006C03005602004201002E01001C00000B0000010000

Tints

Mixed with white: lighter and softer.

B00A00BB3527C65040CF6758D87E6FE19387E8A99EEFBEB6F5D4CEFBE9E6

Tones

Mixed with gray: calmer and more muted.

B00A00AD261AAA3629A74336A34E419F584C9A61579469618E716C887976

Hues

The same lightness and chroma, rotated around the color wheel.

9D187EA40E6CAA0459AD0044B0002CB00A009F35009343008A4B008251007A5600

Temperatures

Cooler on the left, warmer on the right.

A0404EA33A43A63238AA292BAD1E1CB00A00B31600B71E01BA2501BE2C02C13102

#B00A00 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

B00A0000A6B0
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Split complementary

The two hues next to the complement — contrast with less tension.

B00A0000B062004EB0
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Analogous

Neighbouring hues — calm, cohesive and natural.

B00A00B0004EB06200
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Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

B00A0000B00A0A00B0
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Tetradic

Two complementary pairs — rich, best with one dominant color.

B00A00A6B00000A6B00A00B0
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Square

Four hues spaced at 90° — bold and playful.

B00A004EB00000A6B06200B0
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#B00A00 for color-blind viewers (and dogs)

How #B00A00 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 63% similarHow dogs see it · simulated as #706300
  • Protanopia 58% similar1.3% of men, 0.02% of women · simulated as #4A4100
  • Protanomaly 73% similar1.3% of men, 0.02% of women · simulated as #723D00
  • Deuteranopia 63% similar1.2% of men, 0.01% of women · simulated as #706300
  • Deuteranomaly 75% similar5% of men, 0.35% of women · simulated as #865100
  • Tritanopia 92% similar0.001% of men, 0.03% of women · simulated as #C3000D
  • Tritanomaly 97% similar0.0001% of men, 0.0001% of women · simulated as #B80005
  • Achromatopsia 61% similar0.003% of men, 0.003% of women · simulated as #575757
  • Achromatomaly 72% similar0.001% of men, 0.001% of women · simulated as #754C4B

#B00A00 contrast checker

AaThe quick brown fox jumps over the lazy dog.
7.27:1 Very good#B00A00 text on white
AA normalPassAAA normalPass
AA largePassAAA largePass
AaThe quick brown fox jumps over the lazy dog.
2.89:1 Very poor#B00A00 text on black
AA normalFailAAA normalFail
AA largeFailAAA largeFail

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #B00A00

Palettes with #B00A00

#B00A00 in CSS

/* All Systems Red */
.color { color: #B00A00; }
.background { background-color: #B00A00; }
.border { border: 1px solid #B00A00; }

/* Other notations */
color: rgb(176 10 0);
color: hsl(3 100% 35%);
color: oklch(0.479 0.192 29.9);

#B00A00 FAQ

What color is #B00A00?

#B00A00 is a dark, vivid red. Its closest named color is All Systems Red. It belongs to the red color family and is a warm color.

What is the RGB value of #B00A00?

#B00A00 is rgb(176, 10, 0) in RGB, hsl(3, 100%, 35%) in HSL and cmyk(0%, 94%, 100%, 31%) in CMYK.

What is the complementary color of #B00A00?

The complementary color of #B00A00 is #00A6B0, which sits opposite it on the color wheel.

Which text color works on #B00A00?

White text has the best contrast on #B00A00: 7.27:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #B00A00 a warm or cool color?

#B00A00 is a warm color.