#646C51 Color

#646C51 is rgb(100, 108, 81) in RGB and hsl(78, 14%, 37%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#646C51

HEX#646C51

RGBrgb(100, 108, 81)

HSLhsl(78, 14%, 37%)

HSVhsv(78, 25%, 42%)

OKLCHoklch(51.7% 0.042 121.3)

CMYKcmyk(7%, 0%, 25%, 58%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646C51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.52:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.81:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646C51 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646C51 Complementary#59516C Analogous#6C6651 Analogous#566C51 Triadic#51646C Triadic#6C5164

Tints & Shades

Lighter tints and darker shades of #646C51, useful for hover states, backgrounds, and text variants.

Tints

#7C8665 #909A79 #A6AE93 #BCC2AE #D1D5C8 #E5E7DF

Shades

#565D46 #4B513D #3E4332 #303427 #23261D #181A14

Use #646C51 in Our Tools

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