#646D66 Color

#646D66 is rgb(100, 109, 102) in RGB and hsl(133, 4%, 41%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#646D66

HEX#646D66

RGBrgb(100, 109, 102)

HSLhsl(133, 4%, 41%)

HSVhsv(133, 8%, 43%)

OKLCHoklch(52.5% 0.015 152.3)

CMYKcmyk(8%, 0%, 6%, 57%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646D66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.36:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.92:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646D66 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646D66 Complementary#6D646B Analogous#676D64 Analogous#646D6A Triadic#66646D Triadic#6D6664

Tints & Shades

Lighter tints and darker shades of #646D66, useful for hover states, backgrounds, and text variants.

Tints

#78827A #8D968F #A2A9A4 #BABFBB #CFD3D0 #E4E7E5

Shades

#585F5A #49504B #3D423E #313532 #252825 #161816

Use #646D66 in Our Tools

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