Hex #407980 or rgb(64,121,128) in RGB space is the tint of cyan. It has hue angle of 186.56 degrees, value = 50 and saturation = 50. #407980 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #407980 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407980 to the mixer and play with it.