#21243B Color

#21243B is rgb(33, 36, 59) in RGB and hsl(233, 28%, 18%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#21243B

HEX#21243B

RGBrgb(33, 36, 59)

HSLhsl(233, 28%, 18%)

HSVhsv(233, 44%, 23%)

OKLCHoklch(26.9% 0.043 277.4)

CMYKcmyk(44%, 39%, 0%, 77%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21243B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text15.22:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.38:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #21243B based on color wheel relationships. Click any swatch for its full breakdown.

Base#21243B Complementary#3B3821 Analogous#21313B Analogous#2B213B Triadic#3B2124 Triadic#243B21

Tints & Shades

Lighter tints and darker shades of #21243B, useful for hover states, backgrounds, and text variants.

Tints

#353A5F #4B5286 #626AA7 #898FBD #ADB2D1 #D5D7E7

Shades

#1D2034 #1A1C2E #161827 #121421 #0F101A #0B0C14

Use #21243B in Our Tools

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