Hex #555355 or rgb(85,83,85) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 33 and saturation = 2. #555355 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #555355 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555355 to the mixer and play with it.