Hex #803739 or rgb(128,55,57) in RGB space is the tint of red. It has hue angle of 358.36 degrees, value = 50 and saturation = 57. #803739 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of magenta, 1 drop of green, 5 drops of black.
Nearest safe hex - #993333. Below you can see the block with #803739 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803739 to the mixer and play with it.