Hex #40330e or rgb(64,51,14) in RGB space is the tint of khaki. It has hue angle of 44.40 degrees, value = 25 and saturation = 78. #40330e can be obtained by mixing 4 colors: 3 drops of red, 1 drop of blue, 3 drops of green, 5 drops of black.
Nearest safe hex - #333300. Below you can see the block with #40330e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40330e to the mixer and play with it.