Hex #174b7c or rgb(23,75,124) in RGB space is the tint of blue. It has hue angle of 209.11 degrees, value = 49 and saturation = 81. #174b7c can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 2 drops of cyan, 3 drops of black.
Nearest safe hex - #003366. Below you can see the block with #174b7c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #174b7c to the mixer and play with it.