Hex #176a8b or rgb(23,106,139) in RGB space is the tint of bluish cian. It has hue angle of 197.07 degrees, value = 55 and saturation = 83. #176a8b can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #006699. Below you can see the block with #176a8b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #176a8b to the mixer and play with it.