Hex #55204c or rgb(85,32,76) in RGB space is the tint of crimson. It has hue angle of 310.19 degrees, value = 33 and saturation = 62. #55204c can be obtained by mixing 3 colors: 3 drops of red, 4 drops of blue, 2 drops of black.
Nearest safe hex - #663333. Below you can see the block with #55204c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55204c to the mixer and play with it.