#151221 Color
#151221 is rgb(21, 18, 33) in RGB and hsl(252, 29%, 10%) in HSL. The closest CSS named color is Black. White text is most readable on this background.
#151221
HEX
#151221RGB
rgb(21, 18, 33)HSL
hsl(252, 29%, 10%)HSV
hsv(252, 45%, 13%)OKLCH
oklch(19.4% 0.03 292.5)CMYK
cmyk(36%, 45%, 0%, 87%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #151221 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text18.42:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.14:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #151221 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #151221, useful for hover states, backgrounds, and text variants.