Hex #1a3444 or rgb(26,52,68) in RGB space is the tint of blue. It has hue angle of 202.86 degrees, value = 27 and saturation = 62. #1a3444 can be obtained by mixing 3 colors: 1 drop of yellow, 4 drops of blue, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #1a3444 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a3444 to the mixer and play with it.