Hex #553647 or rgb(85,54,71) in RGB space is the tint of scarlet. It has hue angle of 327.10 degrees, value = 33 and saturation = 36. #553647 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 1 drop of white, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #553647 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553647 to the mixer and play with it.