Hex #6a8a9c or rgb(106,138,156) in RGB space is the tint of bluish cian. It has hue angle of 201.60 degrees, value = 61 and saturation = 32. #6a8a9c can be obtained by mixing 4 colors: 2 drops of blue, 1 drop of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6a8a9c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a8a9c to the mixer and play with it.