Hex #552d80 or rgb(85,45,128) in RGB space is the tint of purple. It has hue angle of 268.92 degrees, value = 50 and saturation = 65. #552d80 can be obtained by mixing 4 colors: 4 drops of magenta, 5 drops of blue, 1 drop of green, 2 drops of black.
Nearest safe hex - #663399. Below you can see the block with #552d80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #552d80 to the mixer and play with it.