Hex #803b78 or rgb(128,59,120) in RGB space is the tint of magenta. It has hue angle of 306.96 degrees, value = 50 and saturation = 54. #803b78 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 2 drops of magenta, 5 drops of blue.
Nearest safe hex - #993366. Below you can see the block with #803b78 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803b78 to the mixer and play with it.