Hex #5b4b80 or rgb(91,75,128) in RGB space is the tint of purple violet. It has hue angle of 258.11 degrees, value = 50 and saturation = 41. #5b4b80 can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #663399. Below you can see the block with #5b4b80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b4b80 to the mixer and play with it.