Hex #551e47 or rgb(85,30,71) in RGB space is the tint of crimson. It has hue angle of 315.27 degrees, value = 33 and saturation = 65. #551e47 can be obtained by mixing 3 colors: 4 drops of red, 5 drops of blue, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #551e47 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #551e47 to the mixer and play with it.