Hex #552fab or rgb(85,47,171) in RGB space is the tint of purple violet. It has hue angle of 258.39 degrees, value = 67 and saturation = 73. #552fab can be obtained by mixing 2 colors: 1 drop of magenta, 2 drops of blue.
Nearest safe hex - #663399. Below you can see the block with #552fab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #552fab to the mixer and play with it.