Hex #553072 or rgb(85,48,114) in RGB space is the tint of purple. It has hue angle of 273.64 degrees, value = 45 and saturation = 58. #553072 can be obtained by mixing 4 colors: 5 drops of magenta, 5 drops of blue, 2 drops of green, 3 drops of black.
Nearest safe hex - #663366. Below you can see the block with #553072 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553072 to the mixer and play with it.