#B31F05 Color

#B31F05 is rgb(179, 31, 5) in RGB and hsl(9, 95%, 36%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.

#B31F05

HEX#B31F05

RGBrgb(179, 31, 5)

HSLhsl(9, 95%, 36%)

HSVhsv(9, 97%, 70%)

OKLCHoklch(49.5% 0.185 31.7)

CMYKcmyk(0%, 83%, 97%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #B31F05 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.74:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.11:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #B31F05 based on color wheel relationships. Click any swatch for its full breakdown.

Base#B31F05 Complementary#0599B3 Analogous#B30542 Analogous#B37605 Triadic#05B31F Triadic#1F05B3

Tints & Shades

Lighter tints and darker shades of #B31F05, useful for hover states, backgrounds, and text variants.

Tints

#E02606 #F93C1A #FA6247 #FB846F #FCAA9C #FED0C8

Shades

#9A1A04 #861703 #6D1303 #5A0F02 #410B02 #2D0801

Use #B31F05 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex