Hex #804791 or rgb(128,71,145) in RGB space is the tint of purple magenta. It has hue angle of 286.22 degrees, value = 57 and saturation = 51. #804791 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of magenta, 3 drops of cyan, 2 drops of black.
Nearest safe hex - #993399. Below you can see the block with #804791 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #804791 to the mixer and play with it.