#21B3C0 Color

#21B3C0 is rgb(33, 179, 192) in RGB and hsl(185, 71%, 44%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21B3C0

HEX#21B3C0

RGBrgb(33, 179, 192)

HSLhsl(185, 71%, 44%)

HSVhsv(185, 83%, 75%)

OKLCHoklch(70.2% 0.114 204.5)

CMYKcmyk(83%, 7%, 0%, 25%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21B3C0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.54:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.27:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21B3C0 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21B3C0 Complementary#C02E21 Analogous#21C07D Analogous#2163C0 Triadic#C021B3 Triadic#B3C021

Tints & Shades

Lighter tints and darker shades of #21B3C0, useful for hover states, backgrounds, and text variants.

Tints

#2ECDDC #4CD4E1 #6FDDE7 #92E5ED #B5EDF2 #D3F5F8

Shades

#1C9AA6 #188690 #146E76 #10555C #0B3D41 #07292C

Use #21B3C0 in Our Tools

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