#66CCF4 Color
#66CCF4 is rgb(102, 204, 244) in RGB and hsl(197, 87%, 68%) in HSL. The closest CSS named color is LightSkyBlue. Black text is most readable on this background.
#66CCF4
HEX
#66CCF4RGB
rgb(102, 204, 244)HSL
hsl(197, 87%, 68%)HSV
hsv(197, 58%, 96%)OKLCH
oklch(79.9% 0.11 226.4)CMYK
cmyk(58%, 16%, 0%, 4%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66CCF4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.82:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.51:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66CCF4 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66CCF4, useful for hover states, backgrounds, and text variants.