Hex #804589 or rgb(128,69,137) in RGB space is the tint of purple magenta. It has hue angle of 292.06 degrees, value = 54 and saturation = 50. #804589 can be obtained by mixing 4 colors: 3 drops of red, 2 drops of magenta, 3 drops of blue, 2 drops of cyan.
Nearest safe hex - #993399. Below you can see the block with #804589 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #804589 to the mixer and play with it.