Hex #8b421f or rgb(139,66,31) in RGB space is the tint of orange red. It has hue angle of 19.44 degrees, value = 55 and saturation = 78. #8b421f can be obtained by mixing 4 colors: 4 drops of red, 2 drops of magenta, 4 drops of green, 1 drop of black.
Nearest safe hex - #993333. Below you can see the block with #8b421f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b421f to the mixer and play with it.