#181231 Color
#181231 is rgb(24, 18, 49) in RGB and hsl(252, 46%, 13%) in HSL. The closest CSS named color is Black. White text is most readable on this background.
#181231
HEX
#181231RGB
rgb(24, 18, 49)HSL
hsl(252, 46%, 13%)HSV
hsv(252, 63%, 19%)OKLCH
oklch(20.9% 0.059 289.2)CMYK
cmyk(51%, 63%, 0%, 81%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #181231 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text17.95:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.17:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #181231 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #181231, useful for hover states, backgrounds, and text variants.