Hex #783e88 or rgb(120,62,136) in RGB space is the tint of purple magenta. It has hue angle of 287.03 degrees, value = 53 and saturation = 54. #783e88 can be obtained by mixing 4 colors: 5 drops of magenta, 4 drops of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #663399. Below you can see the block with #783e88 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #783e88 to the mixer and play with it.