Hex #803278 or rgb(128,50,120) in RGB space is the tint of magenta. It has hue angle of 306.15 degrees, value = 50 and saturation = 61. #803278 can be obtained by mixing 4 colors: 5 drops of magenta, 2 drops of blue, 2 drops of green, 1 drop of black.
Nearest safe hex - #993366. Below you can see the block with #803278 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803278 to the mixer and play with it.