Hex #408880 or rgb(64,136,128) in RGB space is the tint of cyan. It has hue angle of 173.33 degrees, value = 53 and saturation = 53. #408880 can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of green, 2 drops of white, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #408880 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408880 to the mixer and play with it.