Hex #1a345e or rgb(26,52,94) in RGB space is the tint of blue. It has hue angle of 217.06 degrees, value = 37 and saturation = 72. #1a345e can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 1 drop of cyan, 4 drops of black.
Nearest safe hex - #333366. Below you can see the block with #1a345e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a345e to the mixer and play with it.