Hex #781550 or rgb(120,21,80) in RGB space is the tint of scarlet. It has hue angle of 324.24 degrees, value = 47 and saturation = 83. #781550 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of magenta, 5 drops of blue, 4 drops of black.
Nearest safe hex - #660066. Below you can see the block with #781550 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #781550 to the mixer and play with it.