#21B5DE Color

#21B5DE is rgb(33, 181, 222) in RGB and hsl(193, 74%, 50%) in HSL. The closest CSS named color is DarkTurquoise. Black text is most readable on this background.

#21B5DE

HEX#21B5DE

RGBrgb(33, 181, 222)

HSLhsl(193, 74%, 50%)

HSVhsv(193, 85%, 87%)

OKLCHoklch(71.9% 0.128 222.8)

CMYKcmyk(85%, 18%, 0%, 13%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21B5DE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.41:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.73:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21B5DE based on color wheel relationships. Click any swatch for its full breakdown.

Base#21B5DE Complementary#DE4A21 Analogous#21DEA8 Analogous#2157DE Triadic#DE21B5 Triadic#B5DE21

Tints & Shades

Lighter tints and darker shades of #21B5DE, useful for hover states, backgrounds, and text variants.

Tints

#40BFE2 #5FCAE7 #7ED4EC #99DDF0 #B8E7F4 #D7F2F9

Shades

#1D9CBF #1986A4 #146D85 #10576A #0B3E4B #072831

Use #21B5DE in Our Tools

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