Hex #408e6b or rgb(64,142,107) in RGB space is the tint of teal. It has hue angle of 153.08 degrees, value = 56 and saturation = 55. #408e6b can be obtained by mixing 4 colors: 3 drops of blue, 4 drops of green, 3 drops of white, 2 drops of black.
Nearest safe hex - #339966. Below you can see the block with #408e6b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408e6b to the mixer and play with it.