Hex #552783 or rgb(85,39,131) in RGB space is the tint of purple. It has hue angle of 270.00 degrees, value = 51 and saturation = 70. #552783 can be obtained by mixing 4 colors: 5 drops of magenta, 5 drops of blue, 1 drop of cyan, 4 drops of black.
Nearest safe hex - #663399. Below you can see the block with #552783 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #552783 to the mixer and play with it.