Hex #803f2b or rgb(128,63,43) in RGB space is the tint of orange red. It has hue angle of 14.12 degrees, value = 50 and saturation = 66. #803f2b can be obtained by mixing 3 colors: 2 drops of red, 1 drop of blue, 1 drop of green.
Nearest safe hex - #993333. Below you can see the block with #803f2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803f2b to the mixer and play with it.