Hex #553983 or rgb(85,57,131) in RGB space is the tint of purple. It has hue angle of 262.70 degrees, value = 51 and saturation = 56. #553983 can be obtained by mixing 4 colors: 5 drops of magenta, 2 drops of blue, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #663399. Below you can see the block with #553983 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553983 to the mixer and play with it.