#21D4CB Color

#21D4CB is rgb(33, 212, 203) in RGB and hsl(177, 73%, 48%) in HSL. The closest CSS named color is Turquoise. Black text is most readable on this background.

#21D4CB

HEX#21D4CB

RGBrgb(33, 212, 203)

HSLhsl(177, 73%, 48%)

HSVhsv(177, 84%, 83%)

OKLCHoklch(78.7% 0.132 189.3)

CMYKcmyk(84%, 0%, 4%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21D4CB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.85:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.34:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21D4CB based on color wheel relationships. Click any swatch for its full breakdown.

Base#21D4CB Complementary#D4212A Analogous#21D471 Analogous#2183D4 Triadic#CB21D4 Triadic#D4CB21

Tints & Shades

Lighter tints and darker shades of #21D4CB, useful for hover states, backgrounds, and text variants.

Tints

#38E0D8 #57E5DE #76EAE4 #9AEFEB #B8F4F1 #D7F9F7

Shades

#1DB9B1 #189A94 #14807B #106561 #0C4B48 #072C2A

Use #21D4CB in Our Tools

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