#66B9F4 Color
#66B9F4 is rgb(102, 185, 244) in RGB and hsl(205, 87%, 68%) in HSL. The closest CSS named color is CornflowerBlue. Black text is most readable on this background.
#66B9F4
HEX
#66B9F4RGB
rgb(102, 185, 244)HSL
hsl(205, 87%, 68%)HSV
hsv(205, 58%, 96%)OKLCH
oklch(75.7% 0.118 241.6)CMYK
cmyk(58%, 24%, 0%, 4%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66B9F4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.14:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.81:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66B9F4 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66B9F4, useful for hover states, backgrounds, and text variants.