Hex #408a6a or rgb(64,138,106) in RGB space is the tint of teal. It has hue angle of 154.05 degrees, value = 54 and saturation = 54. #408a6a can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of red, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #339966. Below you can see the block with #408a6a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408a6a to the mixer and play with it.