#663DAE Color
#663DAE is rgb(102, 61, 174) in RGB and hsl(262, 48%, 46%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.
#663DAE
HEX
#663DAERGB
rgb(102, 61, 174)HSL
hsl(262, 48%, 46%)HSV
hsv(262, 65%, 68%)OKLCH
oklch(47% 0.171 295.8)CMYK
cmyk(41%, 65%, 0%, 32%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #663DAE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.38:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.84:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #663DAE based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #663DAE, useful for hover states, backgrounds, and text variants.