Hex #551a2f or rgb(85,26,47) in RGB space is the tint of scarlet red. It has hue angle of 338.64 degrees, value = 33 and saturation = 69. #551a2f can be obtained by mixing 4 colors: 2 drops of red, 1 drop of magenta, 1 drop of cyan, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #551a2f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #551a2f to the mixer and play with it.