#21BDE4 Color

#21BDE4 is rgb(33, 189, 228) in RGB and hsl(192, 78%, 51%) in HSL. The closest CSS named color is DarkTurquoise. Black text is most readable on this background.

#21BDE4

HEX#21BDE4

RGBrgb(33, 189, 228)

HSLhsl(192, 78%, 51%)

HSVhsv(192, 86%, 89%)

OKLCHoklch(74.1% 0.13 220.7)

CMYKcmyk(86%, 17%, 0%, 11%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21BDE4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.22:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.46:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21BDE4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21BDE4 Complementary#E44821 Analogous#21E4A9 Analogous#215BE4 Triadic#E421BD Triadic#BDE421

Tints & Shades

Lighter tints and darker shades of #21BDE4, useful for hover states, backgrounds, and text variants.

Tints

#40C6E7 #5CCEEB #7BD8EF #9BE1F3 #BBEBF7 #D6F3FA

Shades

#19A5C8 #158EAC #11748D #0D5A6D #0A404D #062932

Use #21BDE4 in Our Tools

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