#21504B Color

#21504B is rgb(33, 80, 75) in RGB and hsl(174, 42%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21504B

HEX#21504B

RGBrgb(33, 80, 75)

HSLhsl(174, 42%, 22%)

HSVhsv(174, 59%, 31%)

OKLCHoklch(39.7% 0.052 186)

CMYKcmyk(59%, 0%, 6%, 69%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21504B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.08:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.31:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21504B based on color wheel relationships. Click any swatch for its full breakdown.

Base#21504B Complementary#502125 Analogous#215033 Analogous#213D50 Triadic#4B2150 Triadic#504B21

Tints & Shades

Lighter tints and darker shades of #21504B, useful for hover states, backgrounds, and text variants.

Tints

#317770 #419F96 #5CBCB3 #80CBC4 #A8DCD6 #D0ECE9

Shades

#1C4541 #193E3A #153330 #122B29 #0D211F #0A1918

Use #21504B in Our Tools

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