Hex #785c91 or rgb(120,92,145) in RGB space is the tint of purple. It has hue angle of 271.70 degrees, value = 57 and saturation = 37. #785c91 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 5 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #785c91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #785c91 to the mixer and play with it.