Hex #6d7f8c or rgb(109,127,140) in RGB space is the tint of blue. It has hue angle of 205.16 degrees, value = 55 and saturation = 22. #6d7f8c can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 4 drops of green, 3 drops of white.
Nearest safe hex - #666699. Below you can see the block with #6d7f8c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d7f8c to the mixer and play with it.