Hex #504a2b or rgb(80,74,43) in RGB space is the tint of khaki. It has hue angle of 50.27 degrees, value = 31 and saturation = 46. #504a2b can be obtained by mixing 4 colors: 5 drops of red, 4 drops of blue, 5 drops of green, 2 drops of black.
Nearest safe hex - #663333. Below you can see the block with #504a2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #504a2b to the mixer and play with it.