#F31215 Color
#F31215 is rgb(243, 18, 21) in RGB and hsl(359, 90%, 51%) in HSL. The closest CSS named color is Red. Black text is most readable on this background.
#F31215
HEX
#F31215RGB
rgb(243, 18, 21)HSL
hsl(359, 90%, 51%)HSV
hsv(359, 93%, 95%)OKLCH
oklch(61% 0.244 28.4)CMYK
cmyk(0%, 93%, 91%, 5%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #F31215 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.28:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text4.91:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #F31215 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #F31215, useful for hover states, backgrounds, and text variants.