#21C5D4 Color

#21C5D4 is rgb(33, 197, 212) in RGB and hsl(185, 73%, 48%) in HSL. The closest CSS named color is DarkTurquoise. Black text is most readable on this background.

#21C5D4

HEX#21C5D4

RGBrgb(33, 197, 212)

HSLhsl(185, 73%, 48%)

HSVhsv(185, 84%, 83%)

OKLCHoklch(75.3% 0.124 204.9)

CMYKcmyk(84%, 7%, 0%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21C5D4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.1:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text10:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21C5D4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21C5D4 Complementary#D43021 Analogous#21D489 Analogous#216CD4 Triadic#D421C5 Triadic#C5D421

Tints & Shades

Lighter tints and darker shades of #21C5D4, useful for hover states, backgrounds, and text variants.

Tints

#38D2E0 #57D9E5 #76E0EA #9AE8EF #B8EFF4 #D7F6F9

Shades

#1DACB9 #18909A #147780 #105E65 #0C464B #07292C

Use #21C5D4 in Our Tools

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