#640BB1 Color

#640BB1 is rgb(100, 11, 177) in RGB and hsl(272, 88%, 37%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.

#640BB1

HEX#640BB1

RGBrgb(100, 11, 177)

HSLhsl(272, 88%, 37%)

HSVhsv(272, 94%, 69%)

OKLCHoklch(42.4% 0.22 299.5)

CMYKcmyk(44%, 94%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #640BB1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.44:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.22:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #640BB1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#640BB1 Complementary#59B10B Analogous#110BB1 Analogous#B10BAC Triadic#B1640B Triadic#0BB164

Tints & Shades

Lighter tints and darker shades of #640BB1, useful for hover states, backgrounds, and text variants.

Tints

#7C0EDD #9122F1 #A64EF4 #BC79F6 #D1A4F9 #E5CAFC

Shades

#560A99 #4C0986 #3E076E #310656 #23043E #18032B

Use #640BB1 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex