#645C99 Color

#645C99 is rgb(100, 92, 153) in RGB and hsl(248, 25%, 48%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#645C99

HEX#645C99

RGBrgb(100, 92, 153)

HSLhsl(248, 25%, 48%)

HSVhsv(248, 40%, 60%)

OKLCHoklch(50.9% 0.095 288.6)

CMYKcmyk(35%, 40%, 0%, 40%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645C99 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.94:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.53:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645C99 based on color wheel relationships. Click any swatch for its full breakdown.

Base#645C99 Complementary#91995C Analogous#5C7299 Analogous#835C99 Triadic#99645C Triadic#5C9964

Tints & Shades

Lighter tints and darker shades of #645C99, useful for hover states, backgrounds, and text variants.

Tints

#7770A9 #8C86B6 #A19CC4 #BAB6D3 #CFCCE0 #E4E2EE

Shades

#575086 #494370 #3C375C #302C49 #232136 #151320

Use #645C99 in Our Tools

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