Hex #803f9d or rgb(128,63,157) in RGB space is the tint of purple magenta. It has hue angle of 281.49 degrees, value = 62 and saturation = 60. #803f9d can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 2 drops of blue, 1 drop of cyan.
Nearest safe hex - #993399. Below you can see the block with #803f9d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803f9d to the mixer and play with it.