#66CFFF Color
#66CFFF is rgb(102, 207, 255) in RGB and hsl(199, 100%, 70%) in HSL. The closest CSS named color is LightSkyBlue. Black text is most readable on this background.
#66CFFF
HEX
#66CFFFRGB
rgb(102, 207, 255)HSL
hsl(199, 100%, 70%)HSV
hsv(199, 60%, 100%)OKLCH
oklch(81.1% 0.118 230.4)CMYK
cmyk(60%, 19%, 0%, 0%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66CFFF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.76:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.93:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66CFFF based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66CFFF, useful for hover states, backgrounds, and text variants.