#645C66 Color

#645C66 is rgb(100, 92, 102) in RGB and hsl(288, 5%, 38%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#645C66

HEX#645C66

RGBrgb(100, 92, 102)

HSLhsl(288, 5%, 38%)

HSVhsv(288, 10%, 40%)

OKLCHoklch(48.6% 0.019 319.5)

CMYKcmyk(2%, 10%, 0%, 60%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645C66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.43:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.26:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645C66 based on color wheel relationships. Click any swatch for its full breakdown.

Base#645C66 Complementary#5E665C Analogous#5F5C66 Analogous#665C63 Triadic#66645C Triadic#5C6664

Tints & Shades

Lighter tints and darker shades of #645C66, useful for hover states, backgrounds, and text variants.

Tints

#7B727E #908792 #A69FA8 #BAB4BB #D0CCD1 #E4E2E4

Shades

#575058 #4A444B #3C383E #322E33 #252225 #181618

Use #645C66 in Our Tools

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