Hex #550c39 or rgb(85,12,57) in RGB space is the tint of scarlet. It has hue angle of 323.01 degrees, value = 33 and saturation = 86. #550c39 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 1 drop of blue, 3 drops of black.
Nearest safe hex - #660033. Below you can see the block with #550c39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #550c39 to the mixer and play with it.