Hex #718aa1 or rgb(113,138,161) in RGB space is the tint of blue. It has hue angle of 208.75 degrees, value = 63 and saturation = 30. #718aa1 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of cyan, 3 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #718aa1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #718aa1 to the mixer and play with it.