Hex #8b3794 or rgb(139,55,148) in RGB space is the tint of magenta. It has hue angle of 294.19 degrees, value = 58 and saturation = 63. #8b3794 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of magenta, 5 drops of blue, 1 drop of white.
Nearest safe hex - #993399. Below you can see the block with #8b3794 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b3794 to the mixer and play with it.