#21D2ED Color
#21D2ED is rgb(33, 210, 237) in RGB and hsl(188, 85%, 53%) in HSL. The closest CSS named color is DeepSkyBlue. Black text is most readable on this background.
#21D2ED
HEX
#21D2EDRGB
rgb(33, 210, 237)HSL
hsl(188, 85%, 53%)HSV
hsv(188, 86%, 93%)OKLCH
oklch(79.4% 0.134 211.6)CMYK
cmyk(86%, 11%, 0%, 7%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21D2ED background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.83:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.51:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21D2ED based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21D2ED, useful for hover states, backgrounds, and text variants.