Hex #553e8e or rgb(85,62,142) in RGB space is the tint of purple violet. It has hue angle of 257.25 degrees, value = 56 and saturation = 56. #553e8e can be obtained by mixing 4 colors: 5 drops of magenta, 3 drops of blue, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #663399. Below you can see the block with #553e8e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553e8e to the mixer and play with it.