Hex #803615 or rgb(128,54,21) in RGB space is the tint of orange red. It has hue angle of 18.50 degrees, value = 50 and saturation = 84. #803615 can be obtained by mixing 4 colors: 4 drops of red, 1 drop of blue, 2 drops of green, 1 drop of black.
Nearest safe hex - #993300. Below you can see the block with #803615 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803615 to the mixer and play with it.