All About Color #F31B1B

#F31B1B

About #F31B1B

#F31B1B is a medium red color with the hex code #F31B1B. In RGB it is red 243, green 27, blue 27; in HSL it is hue 0°, saturation 90%, lightness 53%; in CMYK it is 0%, 89%, 89%, 5%. Its contrast ratio is 4.21:1 on white and 4.98:1 on black.

#F31B1B Color Conversion

Hex tripletF3, 1B, 1B
CMYK0.00%, 88.89%, 88.89%, 4.71%
RGB Decimal243, 27, 27
HSL0°, 90%, 53%
RGB Octal363, 33, 33
HSV (HSB)0.00°, 88.89%, 95.29%
RGB Binary11110011, 11011, 11011
CIE-L*AB51.74, 74.89, 57.06
RGB Percent95.29%, 10.59%, 10.59%
CIE-L*CH51.74, 94.15, 37.30
XYZ37.55, 19.92, 2.90
CIE-L*UV51.74, 159.78, 34.47
xyY0.62, 0.33, 19.92
Hunter-Lab44.63, 72.09, 27.38
RYB95.29%, 10.59%, 10.59%

Color Accessibility Scores

#F31B1B on a dark background: contrast 4.98:1, passes WCAG AA.
#F31B1B on a light background: contrast 4.21:1, passes WCAG AA for large text only.

Color Shades

Tints and shades of #F31B1B, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #F31B1B. Open any of them in the Muzli palette generator.

Complementary palette

#F31B1B · #F87272 · #AA0909 · #1BF3F3 · #72F8F8

Analogous palette

#F31BF3 · #F31B87 · #F31B1B · #F3871B · #F3F31B

Triadic palette

#F31B1B · #1BF31B · #1B1BF3 · #F87272 · #72F872

Tetradic palette

#F31B1B · #87F31B · #1BF3F3 · #871BF3 · #AA0909

Monochromatic palette

#6F0606 · #B80A0A · #F31B1B · #F76464 · #FBADAD

Generate more palettes containing #F31B1B · Browse all color names

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