Hex #1a9ebb or rgb(26,158,187) in RGB space is the tint of bluish cian. It has hue angle of 190.81 degrees, value = 73 and saturation = 86. #1a9ebb can be obtained by mixing 4 colors: 2 drops of blue, 5 drops of cyan, 1 drop of white, 2 drops of black.
Nearest safe hex - #3399cc. Below you can see the block with #1a9ebb color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a9ebb to the mixer and play with it.