Hex #803333 or rgb(128,51,51) in RGB space is the tint of red. It has hue angle of 0.00 degrees, value = 50 and saturation = 60. #803333 can be obtained by mixing 3 colors: 3 drops of red, 2 drops of white, 5 drops of black.
Nearest safe hex - #993333. Below you can see the block with #803333 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #803333 to the mixer and play with it.