Hex #1a2733 or rgb(26,39,51) in RGB space is the tint of blue. It has hue angle of 208.80 degrees, value = 20 and saturation = 49. #1a2733 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 1 drop of green, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #1a2733 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a2733 to the mixer and play with it.