Hex #7189aa or rgb(113,137,170) in RGB space is the tint of blue. It has hue angle of 214.74 degrees, value = 67 and saturation = 34. #7189aa can be obtained by mixing 3 colors: 3 drops of blue, 4 drops of white, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #7189aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #7189aa to the mixer and play with it.