#66A5C7 Color
#66A5C7 is rgb(102, 165, 199) in RGB and hsl(201, 46%, 59%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#66A5C7
HEX
#66A5C7RGB
rgb(102, 165, 199)HSL
hsl(201, 46%, 59%)HSV
hsv(201, 49%, 78%)OKLCH
oklch(69.2% 0.082 233.3)CMYK
cmyk(49%, 17%, 0%, 22%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66A5C7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.7:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.77:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66A5C7 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66A5C7, useful for hover states, backgrounds, and text variants.