Hex #1a7bbc or rgb(26,123,188) in RGB space is the tint of blue. It has hue angle of 204.07 degrees, value = 74 and saturation = 86. #1a7bbc can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 4 drops of cyan, 1 drop of black.
Nearest safe hex - #3366cc. Below you can see the block with #1a7bbc color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a7bbc to the mixer and play with it.