#AD1F21 Color
#AD1F21 is rgb(173, 31, 33) in RGB and hsl(359, 70%, 40%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.
#AD1F21
HEX
#AD1F21RGB
rgb(173, 31, 33)HSL
hsl(359, 70%, 40%)HSV
hsv(359, 82%, 68%)OKLCH
oklch(48.5% 0.177 26.4)CMYK
cmyk(0%, 82%, 81%, 32%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #AD1F21 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.01:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.99:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #AD1F21 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #AD1F21, useful for hover states, backgrounds, and text variants.