#645B71 Color

#645B71 is rgb(100, 91, 113) in RGB and hsl(265, 11%, 40%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#645B71

HEX#645B71

RGBrgb(100, 91, 113)

HSLhsl(265, 11%, 40%)

HSVhsv(265, 19%, 44%)

OKLCHoklch(48.8% 0.036 303.7)

CMYKcmyk(12%, 19%, 0%, 56%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #645B71 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.41:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.28:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #645B71 based on color wheel relationships. Click any swatch for its full breakdown.

Base#645B71 Complementary#68715B Analogous#5B5D71 Analogous#6F5B71 Triadic#71645B Triadic#5B7164

Tints & Shades

Lighter tints and darker shades of #645B71, useful for hover states, backgrounds, and text variants.

Tints

#786D88 #8F859D #A49CB0 #B9B3C2 #CEC9D4 #E5E3E8

Shades

#584F63 #4B4455 #3F3947 #302B36 #232028 #171419

Use #645B71 in Our Tools

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