All About Color #FF311F

#FF311F

About #FF311F

#FF311F is a medium red color with the hex code #FF311F. In RGB it is red 255, green 49, blue 31; in HSL it is hue 5°, saturation 100%, lightness 56%; in CMYK it is 0%, 81%, 88%, 0%. Its contrast ratio is 3.68:1 on white and 5.71:1 on black.

#FF311F Color Conversion

Hex tripletFF, 31, 1F
CMYK0.00%, 80.78%, 87.84%, 0.00%
RGB Decimal255, 49, 31
HSL5°, 100%, 56%
RGB Octal377, 61, 37
HSV (HSB)4.82°, 87.84%, 100.00%
RGB Binary11111111, 110001, 11111
CIE-L*AB55.64, 73.81, 59.33
RGB Percent100.00%, 19.22%, 12.16%
CIE-L*CH55.64, 94.70, 38.80
XYZ42.59, 23.56, 3.60
CIE-L*UV55.64, 159.85, 38.29
xyY0.61, 0.34, 23.56
Hunter-Lab48.53, 71.69, 29.58
RYB100.00%, 19.83%, 12.16%

Color Accessibility Scores

#FF311F on a dark background: contrast 5.71:1, passes WCAG AA.
#FF311F on a light background: contrast 3.68:1, passes WCAG AA for large text only.

Color Shades

Tints and shades of #FF311F, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #FF311F. Open any of them in the Muzli palette generator.

Complementary palette

#FF311F · #FF857A · #C21000 · #1FECFF · #7AF4FF

Analogous palette

#FF1FEC · #FF1F7C · #FF311F · #FFA21F · #ECFF1F

Triadic palette

#FF311F · #1FFF31 · #311FFF · #FF857A · #7AFF85

Tetradic palette

#FF311F · #7CFF1F · #1FECFF · #A11FFF · #C21000

Monochromatic palette

#850B00 · #D11100 · #FF311F · #FF776B · #FFBEB8

Generate more palettes containing #FF311F · Browse all color names

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