Hex #551f2e or rgb(85,31,46) in RGB space is the tint of scarlet red. It has hue angle of 343.33 degrees, value = 33 and saturation = 64. #551f2e can be obtained by mixing 4 colors: 5 drops of red, 4 drops of blue, 1 drop of green, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #551f2e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #551f2e to the mixer and play with it.