#21B7ED Color
#21B7ED is rgb(33, 183, 237) in RGB and hsl(196, 85%, 53%) in HSL. The closest CSS named color is DeepSkyBlue. Black text is most readable on this background.
#21B7ED
HEX
#21B7EDRGB
rgb(33, 183, 237)HSL
hsl(196, 85%, 53%)HSV
hsv(196, 86%, 93%)OKLCH
oklch(73.1% 0.138 229.4)CMYK
cmyk(86%, 23%, 0%, 7%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21B7ED background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.32:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.06:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21B7ED based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21B7ED, useful for hover states, backgrounds, and text variants.