Hex #407a80 or rgb(64,122,128) in RGB space is the tint of cyan. It has hue angle of 185.63 degrees, value = 50 and saturation = 50. #407a80 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #336699. Below you can see the block with #407a80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407a80 to the mixer and play with it.