#F31B31 Color

#F31B31 is rgb(243, 27, 49) in RGB and hsl(354, 90%, 53%) in HSL. The closest CSS named color is Crimson. Black text is most readable on this background.

#F31B31

HEX#F31B31

RGBrgb(243, 27, 49)

HSLhsl(354, 90%, 53%)

HSVhsv(354, 89%, 95%)

OKLCHoklch(61.5% 0.239 24.7)

CMYKcmyk(0%, 89%, 80%, 5%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #F31B31 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.19:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.01:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #F31B31 based on color wheel relationships. Click any swatch for its full breakdown.

Base#F31B31 Complementary#1BF3DD Analogous#F31B9D Analogous#F3721B Triadic#31F31B Triadic#1B31F3

Tints & Shades

Lighter tints and darker shades of #F31B31, useful for hover states, backgrounds, and text variants.

Tints

#F5384B #F65A6A #F87784 #FA99A3 #FBB6BD #FDD8DC

Shades

#DF0C21 #BD0A1C #9B0817 #790612 #57050D #350308

Use #F31B31 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex