#21253B Color
#21253B is rgb(33, 37, 59) in RGB and hsl(231, 28%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#21253B
HEX
#21253BRGB
rgb(33, 37, 59)HSL
hsl(231, 28%, 18%)HSV
hsv(231, 44%, 23%)OKLCH
oklch(27.2% 0.041 275.4)CMYK
cmyk(44%, 37%, 0%, 77%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21253B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text15.08:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.39:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #21253B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21253B, useful for hover states, backgrounds, and text variants.