#21373B Color

#21373B is rgb(33, 55, 59) in RGB and hsl(189, 28%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21373B

HEX#21373B

RGBrgb(33, 55, 59)

HSLhsl(189, 28%, 18%)

HSVhsv(189, 44%, 23%)

OKLCHoklch(32% 0.029 210.2)

CMYKcmyk(44%, 7%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21373B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.54:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.67:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21373B based on color wheel relationships. Click any swatch for its full breakdown.

Base#21373B Complementary#3B2521 Analogous#213B32 Analogous#212A3B Triadic#3B2137 Triadic#373B21

Tints & Shades

Lighter tints and darker shades of #21373B, useful for hover states, backgrounds, and text variants.

Tints

#35585F #4B7D86 #629DA7 #89B5BD #ADCCD1 #D5E4E7

Shades

#1D3134 #1A2B2E #162527 #121E21 #0F181A #0B1214

Use #21373B in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex