Hex #71351c or rgb(113,53,28) in RGB space is the tint of orange red. It has hue angle of 17.65 degrees, value = 44 and saturation = 75. #71351c can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 1 drop of cyan, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #71351c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #71351c to the mixer and play with it.