#21A1B5 Color

#21A1B5 is rgb(33, 161, 181) in RGB and hsl(188, 69%, 42%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#21A1B5

HEX#21A1B5

RGBrgb(33, 161, 181)

HSLhsl(188, 69%, 42%)

HSVhsv(188, 82%, 71%)

OKLCHoklch(65.3% 0.107 211.2)

CMYKcmyk(82%, 11%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21A1B5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.07:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text6.83:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #21A1B5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21A1B5 Complementary#B53521 Analogous#21B57F Analogous#2157B5 Triadic#B521A1 Triadic#A1B521

Tints & Shades

Lighter tints and darker shades of #21A1B5, useful for hover states, backgrounds, and text variants.

Tints

#28C0D7 #4ACADE #6CD4E4 #8FDEEA #B1E8F1 #D4F2F7

Shades

#1D8E9F #197786 #156470 #104D56 #0C3A41 #072327

Use #21A1B5 in Our Tools

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