#213B37 Color

#213B37 is rgb(33, 59, 55) in RGB and hsl(171, 28%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#213B37
HEX#213B37
RGBrgb(33, 59, 55)
HSLhsl(171, 28%, 18%)
HSVhsv(171, 44%, 23%)
OKLCHoklch(33% 0.033 183.4)
CMYKcmyk(44%, 0%, 7%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #213B37 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.03:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.75:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #213B37 based on color wheel relationships. Click any swatch for its full breakdown.

Base#213B37Complementary#3B2125Analogous#213B2AAnalogous#21323BTriadic#37213BTriadic#3B3721

Tints & Shades

Lighter tints and darker shades of #213B37, useful for hover states, backgrounds, and text variants.

Use #213B37 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex