Hex #175484 or rgb(23,84,132) in RGB space is the tint of blue. It has hue angle of 206.42 degrees, value = 52 and saturation = 83. #175484 can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of blue, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #006699. Below you can see the block with #175484 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #175484 to the mixer and play with it.