Hex #406dab or rgb(64,109,171) in RGB space is the tint of blue. It has hue angle of 214.77 degrees, value = 67 and saturation = 63. #406dab can be obtained by mixing 4 colors: 2 drops of magenta, 3 drops of blue, 2 drops of cyan, 1 drop of green.
Nearest safe hex - #336699. Below you can see the block with #406dab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #406dab to the mixer and play with it.