#21A9B5 Color

#21A9B5 is rgb(33, 169, 181) in RGB and hsl(185, 69%, 42%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21A9B5

HEX#21A9B5

RGBrgb(33, 169, 181)

HSLhsl(185, 69%, 42%)

HSVhsv(185, 82%, 71%)

OKLCHoklch(67.3% 0.109 204.3)

CMYKcmyk(82%, 7%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21A9B5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.84:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.41:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21A9B5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21A9B5 Complementary#B52E21 Analogous#21B577 Analogous#215FB5 Triadic#B521A9 Triadic#A9B521

Tints & Shades

Lighter tints and darker shades of #21A9B5, useful for hover states, backgrounds, and text variants.

Tints

#28C9D7 #4AD1DE #6CDAE4 #8FE3EA #B1EBF1 #D4F4F7

Shades

#1D959F #197D86 #156870 #105056 #0C3C41 #072427

Use #21A9B5 in Our Tools

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