#646B57 Color

#646B57 is rgb(100, 107, 87) in RGB and hsl(81, 10%, 38%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#646B57

HEX#646B57

RGBrgb(100, 107, 87)

HSLhsl(81, 10%, 38%)

HSVhsv(81, 19%, 42%)

OKLCHoklch(51.6% 0.032 123.2)

CMYKcmyk(7%, 0%, 19%, 58%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646B57 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.55:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.78:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646B57 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646B57 Complementary#5E576B Analogous#6B6857 Analogous#5A6B57 Triadic#57646B Triadic#6B5764

Tints & Shades

Lighter tints and darker shades of #646B57, useful for hover states, backgrounds, and text variants.

Tints

#7B846C #909881 #A6AC9A #BABFB0 #D0D3CA #E4E6E0

Shades

#575D4C #4A4F40 #3C4135 #32352C #252720 #181915

Use #646B57 in Our Tools

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