Hex #405d87 or rgb(64,93,135) in RGB space is the tint of blue. It has hue angle of 215.49 degrees, value = 53 and saturation = 53. #405d87 can be obtained by mixing 3 colors: 5 drops of blue, 3 drops of white, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #405d87 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405d87 to the mixer and play with it.