Hex #1a6688 or rgb(26,102,136) in RGB space is the tint of bluish cian. It has hue angle of 198.55 degrees, value = 53 and saturation = 81. #1a6688 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of blue, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #1a6688 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a6688 to the mixer and play with it.