Hex #55372b or rgb(85,55,43) in RGB space is the tint of orange red. It has hue angle of 17.14 degrees, value = 33 and saturation = 49. #55372b can be obtained by mixing 4 colors: 4 drops of red, 2 drops of cyan, 1 drop of green, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #55372b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55372b to the mixer and play with it.