#66A5E1 Color
#66A5E1 is rgb(102, 165, 225) in RGB and hsl(209, 67%, 64%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#66A5E1
HEX
#66A5E1RGB
rgb(102, 165, 225)HSL
hsl(209, 67%, 64%)HSV
hsv(209, 55%, 88%)OKLCH
oklch(70.4% 0.11 248.5)CMYK
cmyk(55%, 27%, 0%, 12%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66A5E1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.61:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.03:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66A5E1 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66A5E1, useful for hover states, backgrounds, and text variants.