#B21537 Color
#B21537 is rgb(178, 21, 55) in RGB and hsl(347, 79%, 39%) in HSL. The closest CSS named color is FireBrick. White text is most readable on this background.
#B21537
HEX
#B21537RGB
rgb(178, 21, 55)HSL
hsl(347, 79%, 39%)HSV
hsv(347, 88%, 70%)OKLCH
oklch(49.2% 0.186 17.7)CMYK
cmyk(0%, 88%, 69%, 30%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #B21537 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text6.87:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.06:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #B21537 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #B21537, useful for hover states, backgrounds, and text variants.