Hex #783b5b or rgb(120,59,91) in RGB space is the tint of scarlet. It has hue angle of 328.52 degrees, value = 47 and saturation = 51. #783b5b can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of magenta, 4 drops of blue, 5 drops of black.
Nearest safe hex - #663366. Below you can see the block with #783b5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #783b5b to the mixer and play with it.