Hex #405e80 or rgb(64,94,128) in RGB space is the tint of blue. It has hue angle of 211.88 degrees, value = 50 and saturation = 50. #405e80 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of cyan, 1 drop of green, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #405e80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405e80 to the mixer and play with it.