Hex #409280 or rgb(64,146,128) in RGB space is the tint of greenish cian. It has hue angle of 166.83 degrees, value = 57 and saturation = 56. #409280 can be obtained by mixing 4 colors: 2 drops of cyan, 1 drop of green, 2 drops of white, 3 drops of black.
Nearest safe hex - #339999. Below you can see the block with #409280 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #409280 to the mixer and play with it.