#21A6B5 Color

#21A6B5 is rgb(33, 166, 181) in RGB and hsl(186, 69%, 42%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21A6B5

HEX#21A6B5

RGBrgb(33, 166, 181)

HSLhsl(186, 69%, 42%)

HSVhsv(186, 82%, 71%)

OKLCHoklch(66.5% 0.108 206.9)

CMYKcmyk(82%, 8%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21A6B5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.92:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.19:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21A6B5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21A6B5 Complementary#B53021 Analogous#21B57A Analogous#215CB5 Triadic#B521A6 Triadic#A6B521

Tints & Shades

Lighter tints and darker shades of #21A6B5, useful for hover states, backgrounds, and text variants.

Tints

#28C6D7 #4ACFDE #6CD8E4 #8FE1EA #B1EAF1 #D4F4F7

Shades

#1D929F #197B86 #156770 #104F56 #0C3B41 #072427

Use #21A6B5 in Our Tools

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