Hex #409f87 or rgb(64,159,135) in RGB space is the tint of greenish cian. It has hue angle of 164.84 degrees, value = 62 and saturation = 60. #409f87 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 5 drops of cyan, 4 drops of green.
Nearest safe hex - #339999. Below you can see the block with #409f87 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #409f87 to the mixer and play with it.