#640FAE Color
#640FAE is rgb(100, 15, 174) in RGB and hsl(272, 84%, 37%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.
#640FAE
HEX
#640FAERGB
rgb(100, 15, 174)HSL
hsl(272, 84%, 37%)HSV
hsv(272, 91%, 68%)OKLCH
oklch(42.3% 0.216 300.1)CMYK
cmyk(43%, 91%, 0%, 32%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #640FAE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.45:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.22:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #640FAE based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #640FAE, useful for hover states, backgrounds, and text variants.