#645B8B Color

#645B8B is rgb(100, 91, 139) in RGB and hsl(251, 21%, 45%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#645B8B

HEX#645B8B

RGBrgb(100, 91, 139)

HSLhsl(251, 21%, 45%)

HSVhsv(251, 35%, 55%)

OKLCHoklch(50% 0.076 292)

CMYKcmyk(28%, 35%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645B8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.16:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.41:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645B8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#645B8B Complementary#828B5B Analogous#5B6A8B Analogous#7C5B8B Triadic#8B635B Triadic#5B8B63

Tints & Shades

Lighter tints and darker shades of #645B8B, useful for hover states, backgrounds, and text variants.

Tints

#776EA0 #8B84AE #A39CBF #B7B2CD #CECBDD #E2E0EB

Shades

#564F78 #494266 #3C3653 #312C44 #232031 #16141F

Use #645B8B in Our Tools

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