Hex #803720 or rgb(128,55,32) in RGB space is the tint of orange red. It has hue angle of 14.38 degrees, value = 50 and saturation = 75. #803720 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of green, 1 drop of white, 3 drops of black.
Nearest safe hex - #993333. Below you can see the block with #803720 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803720 to the mixer and play with it.