Hex #6d8192 or rgb(109,129,146) in RGB space is the tint of blue. It has hue angle of 207.57 degrees, value = 57 and saturation = 25. #6d8192 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 1 drop of green, 2 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6d8192 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d8192 to the mixer and play with it.