Hex #405f87 or rgb(64,95,135) in RGB space is the tint of blue. It has hue angle of 213.80 degrees, value = 53 and saturation = 53. #405f87 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 1 drop of cyan, 3 drops of green.
Nearest safe hex - #336699. Below you can see the block with #405f87 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405f87 to the mixer and play with it.