#B51503 Color

#B51503 is rgb(181, 21, 3) in RGB and hsl(6, 97%, 36%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.

#B51503

HEX#B51503

RGBrgb(181, 21, 3)

HSLhsl(6, 97%, 36%)

HSVhsv(6, 98%, 71%)

OKLCHoklch(49.3% 0.192 30.5)

CMYKcmyk(0%, 88%, 98%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #B51503 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.83:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.07:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #B51503 based on color wheel relationships. Click any swatch for its full breakdown.

Base#B51503 Complementary#03A3B5 Analogous#B5034A Analogous#B56E03 Triadic#03B515 Triadic#1503B5

Tints & Shades

Lighter tints and darker shades of #B51503, useful for hover states, backgrounds, and text variants.

Tints

#E21A03 #FB2F18 #FC5745 #FD7C6D #FDA49B #FECDC8

Shades

#9C1202 #880F02 #6F0D02 #5A0A01 #410701 #2D0501

Use #B51503 in Our Tools

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