Hex #179caa or rgb(23,156,170) in RGB space is the tint of cyan. It has hue angle of 185.71 degrees, value = 67 and saturation = 86. #179caa can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 4 drops of cyan, 1 drop of green.
Nearest safe hex - #009999. Below you can see the block with #179caa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #179caa to the mixer and play with it.