Hex #55184c or rgb(85,24,76) in RGB space is the tint of crimson. It has hue angle of 308.85 degrees, value = 33 and saturation = 72. #55184c can be obtained by mixing 4 colors: 2 drops of red, 1 drop of magenta, 3 drops of blue, 3 drops of black.
Nearest safe hex - #660033. Below you can see the block with #55184c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55184c to the mixer and play with it.