#B51803 Color
#B51803 is rgb(181, 24, 3) in RGB and hsl(7, 97%, 36%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.
#B51803
HEX
#B51803RGB
rgb(181, 24, 3)HSL
hsl(7, 97%, 36%)HSV
hsv(7, 98%, 71%)OKLCH
oklch(49.4% 0.191 30.9)CMYK
cmyk(0%, 87%, 98%, 29%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #B51803 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text6.78:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.1:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #B51803 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #B51803, useful for hover states, backgrounds, and text variants.