Hex #55372e or rgb(85,55,46) in RGB space is the tint of orange red. It has hue angle of 13.85 degrees, value = 33 and saturation = 46. #55372e can be obtained by mixing 4 colors: 5 drops of red, 4 drops of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #55372e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55372e to the mixer and play with it.