Hex #71371c or rgb(113,55,28) in RGB space is the tint of orange red. It has hue angle of 19.06 degrees, value = 44 and saturation = 75. #71371c can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 1 drop of white, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #71371c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #71371c to the mixer and play with it.