#66C5D6 Color
#66C5D6 is rgb(102, 197, 214) in RGB and hsl(189, 58%, 62%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#66C5D6
HEX
#66C5D6RGB
rgb(102, 197, 214)HSL
hsl(189, 58%, 62%)HSV
hsv(189, 52%, 84%)OKLCH
oklch(77.2% 0.093 210.6)CMYK
cmyk(52%, 8%, 0%, 16%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C5D6 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.52:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C5D6 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C5D6, useful for hover states, backgrounds, and text variants.