Hex #1a9abc or rgb(26,154,188) in RGB space is the tint of bluish cian. It has hue angle of 192.59 degrees, value = 74 and saturation = 86. #1a9abc can be obtained by mixing 3 colors: 1 drop of yellow, 5 drops of blue, 4 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #1a9abc color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a9abc to the mixer and play with it.