#B31421 Color

#B31421 is rgb(179, 20, 33) in RGB and hsl(355, 80%, 39%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.

#B31421

HEX#B31421

RGBrgb(179, 20, 33)

HSLhsl(355, 80%, 39%)

HSVhsv(355, 89%, 70%)

OKLCHoklch(49% 0.189 25.1)

CMYKcmyk(0%, 89%, 82%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #B31421 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.91:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.04:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #B31421 based on color wheel relationships. Click any swatch for its full breakdown.

Base#B31421 Complementary#14B3A6 Analogous#B31471 Analogous#B35614 Triadic#21B314 Triadic#1421B3

Tints & Shades

Lighter tints and darker shades of #B31421, useful for hover states, backgrounds, and text variants.

Tints

#D81828 #E93544 #ED5A66 #F1838C #F5A8AE #FAD1D4

Shades

#9C111D #850F19 #6E0C14 #570A10 #40070C #290508

Use #B31421 in Our Tools

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