Hex #40571d or rgb(64,87,29) in RGB space is the tint of olive. It has hue angle of 83.79 degrees, value = 34 and saturation = 67. #40571d can be obtained by mixing 4 colors: 3 drops of red, 2 drops of blue, 5 drops of green, 2 drops of black.
Nearest safe hex - #336633. Below you can see the block with #40571d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40571d to the mixer and play with it.