Hex #803a78 or rgb(128,58,120) in RGB space is the tint of magenta. It has hue angle of 306.86 degrees, value = 50 and saturation = 55. #803a78 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of magenta, 3 drops of blue, 2 drops of green.
Nearest safe hex - #993366. Below you can see the block with #803a78 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803a78 to the mixer and play with it.