#5566FC Color
#5566FC is rgb(85, 102, 252) in RGB and hsl(234, 97%, 66%) in HSL. The closest CSS named color is RoyalBlue. Black text is most readable on this background.
#5566FC
HEX
#5566FCRGB
rgb(85, 102, 252)HSL
hsl(234, 97%, 66%)HSV
hsv(234, 66%, 99%)OKLCH
oklch(58.5% 0.221 272.6)CMYK
cmyk(66%, 60%, 0%, 1%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #5566FC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.48:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text4.69:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #5566FC based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #5566FC, useful for hover states, backgrounds, and text variants.