Hex #393013 or rgb(57,48,19) in RGB space is the tint of khaki. It has hue angle of 45.79 degrees, value = 22 and saturation = 67. #393013 can be obtained by mixing 4 colors: 2 drops of red, 1 drop of blue, 2 drops of green, 4 drops of black.
Nearest safe hex - #333300. Below you can see the block with #393013 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #393013 to the mixer and play with it.