#A51821 Color
#A51821 is rgb(165, 24, 33) in RGB and hsl(356, 75%, 37%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.
#A51821
HEX
#A51821RGB
rgb(165, 24, 33)HSL
hsl(356, 75%, 37%)HSV
hsv(356, 85%, 65%)OKLCH
oklch(46.5% 0.174 24.9)CMYK
cmyk(0%, 85%, 80%, 35%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #A51821 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.63:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.75:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #A51821 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #A51821, useful for hover states, backgrounds, and text variants.