Hex #628aaa or rgb(98,138,170) in RGB space is the tint of blue. It has hue angle of 206.67 degrees, value = 67 and saturation = 42. #628aaa can be obtained by mixing 4 colors: 4 drops of blue, 1 drop of cyan, 5 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #628aaa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #628aaa to the mixer and play with it.