Hex #6a7687 or rgb(106,118,135) in RGB space is the tint of blue. It has hue angle of 215.17 degrees, value = 53 and saturation = 21. #6a7687 can be obtained by mixing 3 colors: 2 drops of blue, 5 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #6a7687 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a7687 to the mixer and play with it.