Hex #1aa5cc or rgb(26,165,204) in RGB space is the tint of bluish cian. It has hue angle of 193.15 degrees, value = 80 and saturation = 87. #1aa5cc can be obtained by mixing 4 colors: 3 drops of blue, 5 drops of cyan, 1 drop of white, 1 drop of black.
Nearest safe hex - #3399cc. Below you can see the block with #1aa5cc color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1aa5cc to the mixer and play with it.