#21313B Color

#21313B is rgb(33, 49, 59) in RGB and hsl(203, 28%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21313B

HEX#21313B

RGBrgb(33, 49, 59)

HSLhsl(203, 28%, 18%)

HSVhsv(203, 44%, 23%)

OKLCHoklch(30.4% 0.028 236.3)

CMYKcmyk(44%, 17%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21313B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text13.4:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.57:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21313B based on color wheel relationships. Click any swatch for its full breakdown.

Base#21313B Complementary#3B2B21 Analogous#213B38 Analogous#21243B Triadic#3B2131 Triadic#313B21

Tints & Shades

Lighter tints and darker shades of #21313B, useful for hover states, backgrounds, and text variants.

Tints

#354F5F #4B6F86 #628DA7 #89A9BD #ADC3D1 #D5E0E7

Shades

#1D2B34 #1A262E #162127 #121B21 #0F161A #0B1014

Use #21313B in Our Tools

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