#640FDB Color
#640FDB is rgb(100, 15, 219) in RGB and hsl(265, 87%, 46%) in HSL. The closest CSS named color is BlueViolet. White text is most readable on this background.
#640FDB
HEX
#640FDBRGB
rgb(100, 15, 219)HSL
hsl(265, 87%, 46%)HSV
hsv(265, 93%, 86%)OKLCH
oklch(46.8% 0.257 290.1)CMYK
cmyk(54%, 93%, 0%, 14%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #640FDB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.98:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.63:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #640FDB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #640FDB, useful for hover states, backgrounds, and text variants.