Hex #6d9ba4 or rgb(109,155,164) in RGB space is the tint of bluish cian. It has hue angle of 189.82 degrees, value = 64 and saturation = 34. #6d9ba4 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 3 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6d9ba4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d9ba4 to the mixer and play with it.