#427BFF Color
#427BFF is rgb(66, 123, 255) in RGB and hsl(222, 100%, 63%) in HSL. The closest CSS named color is RoyalBlue. Black text is most readable on this background.
#427BFF
HEX
#427BFFRGB
rgb(66, 123, 255)HSL
hsl(222, 100%, 63%)HSV
hsv(222, 74%, 100%)OKLCH
oklch(61.8% 0.206 263.8)CMYK
cmyk(74%, 52%, 0%, 0%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #427BFF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text3.81:1AA normal ✗AA large ✓AAA normal ✗
TextBlack text5.51:1AA normal ✓AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #427BFF based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #427BFF, useful for hover states, backgrounds, and text variants.