#645FB9 Color

#645FB9 is rgb(100, 95, 185) in RGB and hsl(243, 39%, 55%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#645FB9

HEX#645FB9

RGBrgb(100, 95, 185)

HSLhsl(243, 39%, 55%)

HSVhsv(243, 49%, 73%)

OKLCHoklch(53.4% 0.137 283.2)

CMYKcmyk(46%, 49%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645FB9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.41:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.88:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645FB9 based on color wheel relationships. Click any swatch for its full breakdown.

Base#645FB9 Complementary#B5B95F Analogous#5F88B9 Analogous#915FB9 Triadic#B9645F Triadic#5FB964

Tints & Shades

Lighter tints and darker shades of #645FB9, useful for hover states, backgrounds, and text variants.

Tints

#7975C2 #8D8ACC #A29FD5 #BAB8E0 #CFCDE9 #E3E3F3

Shades

#4F4BAA #423E8E #373375 #2B285C #1F1E43 #121127

Use #645FB9 in Our Tools

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