#21213B Color

#21213B is rgb(33, 33, 59) in RGB and hsl(240, 28%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21213B
HEX#21213B
RGBrgb(33, 33, 59)
HSLhsl(240, 28%, 18%)
HSVhsv(240, 44%, 23%)
OKLCHoklch(26.1% 0.048 282.5)
CMYKcmyk(44%, 44%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21213B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text15.61:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.35:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21213B based on color wheel relationships. Click any swatch for its full breakdown.

Base#21213BComplementary#3B3B21Analogous#212E3BAnalogous#2E213BTriadic#3B2121Triadic#213B21

Tints & Shades

Lighter tints and darker shades of #21213B, useful for hover states, backgrounds, and text variants.

Use #21213B in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex