Hex #552f72 or rgb(85,47,114) in RGB space is the tint of purple. It has hue angle of 274.03 degrees, value = 45 and saturation = 59. #552f72 can be obtained by mixing 2 colors: 1 drop of red, 2 drops of blue.
Nearest safe hex - #663366. Below you can see the block with #552f72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #552f72 to the mixer and play with it.