Hex #1a9ca2 or rgb(26,156,162) in RGB space is the tint of cyan. It has hue angle of 182.65 degrees, value = 64 and saturation = 84. #1a9ca2 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #339999. Below you can see the block with #1a9ca2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a9ca2 to the mixer and play with it.