Hex #408a79 or rgb(64,138,121) in RGB space is the tint of greenish cian. It has hue angle of 166.22 degrees, value = 54 and saturation = 54. #408a79 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #339966. Below you can see the block with #408a79 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408a79 to the mixer and play with it.