#B51737 Color
#B51737 is rgb(181, 23, 55) in RGB and hsl(348, 77%, 40%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.
#B51737
HEX
#B51737RGB
rgb(181, 23, 55)HSL
hsl(348, 77%, 40%)HSV
hsv(348, 87%, 71%)OKLCH
oklch(49.9% 0.188 18.2)CMYK
cmyk(0%, 87%, 70%, 29%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #B51737 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text6.68:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.14:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #B51737 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #B51737, useful for hover states, backgrounds, and text variants.