Hex #6d8598 or rgb(109,133,152) in RGB space is the tint of blue. It has hue angle of 206.51 degrees, value = 60 and saturation = 28. #6d8598 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6d8598 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d8598 to the mixer and play with it.