Hex #408a6b or rgb(64,138,107) in RGB space is the tint of teal. It has hue angle of 154.86 degrees, value = 54 and saturation = 54. #408a6b can be obtained by mixing 4 colors: 4 drops of blue, 5 drops of green, 4 drops of white, 3 drops of black.
Nearest safe hex - #339966. Below you can see the block with #408a6b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408a6b to the mixer and play with it.