Hex #174d7c or rgb(23,77,124) in RGB space is the tint of blue. It has hue angle of 207.92 degrees, value = 49 and saturation = 81. #174d7c can be obtained by mixing 4 colors: 5 drops of blue, 1 drop of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #006666. Below you can see the block with #174d7c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #174d7c to the mixer and play with it.