Hex #175c84 or rgb(23,92,132) in RGB space is the tint of bluish cian. It has hue angle of 202.02 degrees, value = 52 and saturation = 83. #175c84 can be obtained by mixing 4 colors: 4 drops of blue, 2 drops of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #006699. Below you can see the block with #175c84 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #175c84 to the mixer and play with it.