Hex #55410b or rgb(85,65,11) in RGB space is the tint of khaki. It has hue angle of 43.78 degrees, value = 33 and saturation = 87. #55410b can be obtained by mixing 4 colors: 5 drops of red, 1 drop of blue, 5 drops of green, 4 drops of black.
Nearest safe hex - #663300. Below you can see the block with #55410b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55410b to the mixer and play with it.