Hex #7189a1 or rgb(113,137,161) in RGB space is the tint of blue. It has hue angle of 210.00 degrees, value = 63 and saturation = 30. #7189a1 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 1 drop of green, 3 drops of white.
Nearest safe hex - #669999. Below you can see the block with #7189a1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #7189a1 to the mixer and play with it.