Hex #554c5f or rgb(85,76,95) in RGB space is the tint of purple. It has hue angle of 268.42 degrees, value = 37 and saturation = 20. #554c5f can be obtained by mixing 4 colors: 3 drops of magenta, 2 drops of blue, 3 drops of green, 1 drop of black.
Nearest safe hex - #663366. Below you can see the block with #554c5f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554c5f to the mixer and play with it.