#66A3B7 Color
#66A3B7 is rgb(102, 163, 183) in RGB and hsl(195, 36%, 56%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#66A3B7
HEX
#66A3B7RGB
rgb(102, 163, 183)HSL
hsl(195, 36%, 56%)HSV
hsv(195, 44%, 72%)OKLCH
oklch(68.1% 0.07 220.8)CMYK
cmyk(44%, 11%, 0%, 28%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66A3B7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.8:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.49:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66A3B7 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66A3B7, useful for hover states, backgrounds, and text variants.