Hex #78115b or rgb(120,17,91) in RGB space is the tint of crimson. It has hue angle of 316.89 degrees, value = 47 and saturation = 86. #78115b can be obtained by mixing 4 colors: 3 drops of red, 5 drops of magenta, 4 drops of blue, 5 drops of black.
Nearest safe hex - #660066. Below you can see the block with #78115b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #78115b to the mixer and play with it.