#66ADF0 Color
#66ADF0 is rgb(102, 173, 240) in RGB and hsl(209, 82%, 67%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#66ADF0
HEX
#66ADF0RGB
rgb(102, 173, 240)HSL
hsl(209, 82%, 67%)HSV
hsv(209, 57%, 94%)OKLCH
oklch(72.9% 0.122 248.5)CMYK
cmyk(57%, 28%, 0%, 6%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66ADF0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.39:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.8:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66ADF0 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66ADF0, useful for hover states, backgrounds, and text variants.