All About Color #B31B00

#B31B00

About #B31B00

#B31B00 is a dark red color with the hex code #B31B00. In RGB it is red 179, green 27, blue 0; in HSL it is hue 9°, saturation 100%, lightness 35%; in CMYK it is 0%, 85%, 100%, 30%. Its contrast ratio is 6.83:1 on white and 3.07:1 on black.

#B31B00 Color Conversion

Hex tripletB3, 1B, 00
CMYK0.00%, 84.92%, 100.00%, 29.80%
RGB Decimal179, 27, 0
HSL9°, 100%, 35%
RGB Octal263, 33, 0
HSV (HSB)9.05°, 100.00%, 70.20%
RGB Binary10110011, 11011, 0
CIE-L*AB38.49, 57.37, 52.06
RGB Percent70.20%, 10.59%, 0.00%
CIE-L*CH38.49, 77.47, 42.22
XYZ18.98, 10.37, 1.00
CIE-L*UV38.49, 115.07, 28.71
xyY0.63, 0.34, 10.37
Hunter-Lab32.20, 48.88, 20.70
RYB70.20%, 12.47%, 0.00%

Color Accessibility Scores

#B31B00 on a dark background: contrast 3.07:1, passes WCAG AA for large text only.
#B31B00 on a light background: contrast 6.83:1, passes WCAG AA.

Color Shades

Tints and shades of #B31B00, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #B31B00. Open any of them in the Muzli palette generator.

Complementary palette

#B31B00 · #FF330F · #570D00 · #0098B3 · #0FDBFF

Analogous palette

#B30098 · #B3003E · #B31B00 · #B37400 · #98B300

Triadic palette

#B31B00 · #00B31B · #1B00B3 · #FF330F · #0FFF33

Tetradic palette

#B31B00 · #3EB300 · #0098B3 · #7400B3 · #570D00

Monochromatic palette

#1A0400 · #660F00 · #B31B00 · #FF2600 · #FF674D

Generate more palettes containing #B31B00 · Browse all color names

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