Hex #785691 or rgb(120,86,145) in RGB space is the tint of purple. It has hue angle of 274.58 degrees, value = 57 and saturation = 41. #785691 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of magenta, 4 drops of blue, 5 drops of cyan.
Nearest safe hex - #666699. Below you can see the block with #785691 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #785691 to the mixer and play with it.