Hex #6698c4 or rgb(102,152,196) in RGB space is the tint of blue. It has hue angle of 208.09 degrees, value = 77 and saturation = 48. #6698c4 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 2 drops of cyan, 3 drops of white.
Nearest safe hex - #6699cc. Below you can see the block with #6698c4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6698c4 to the mixer and play with it.