Hex #1a7baa or rgb(26,123,170) in RGB space is the tint of bluish cian. It has hue angle of 199.58 degrees, value = 67 and saturation = 85. #1a7baa can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 4 drops of cyan, 1 drop of black.
Nearest safe hex - #336699. Below you can see the block with #1a7baa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a7baa to the mixer and play with it.