Hex #55398e or rgb(85,57,142) in RGB space is the tint of purple violet. It has hue angle of 259.76 degrees, value = 56 and saturation = 60. #55398e can be obtained by mixing 4 colors: 4 drops of magenta, 3 drops of blue, 2 drops of cyan, 3 drops of black.
Nearest safe hex - #663399. Below you can see the block with #55398e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55398e to the mixer and play with it.