Hex #1a4e5e or rgb(26,78,94) in RGB space is the tint of bluish cian. It has hue angle of 194.12 degrees, value = 37 and saturation = 72. #1a4e5e can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #1a4e5e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a4e5e to the mixer and play with it.