Hex #553c72 or rgb(85,60,114) in RGB space is the tint of purple. It has hue angle of 267.78 degrees, value = 45 and saturation = 47. #553c72 can be obtained by mixing 4 colors: 2 drops of magenta, 3 drops of blue, 2 drops of white, 5 drops of black.
Nearest safe hex - #663366. Below you can see the block with #553c72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553c72 to the mixer and play with it.