Hex #6a8b95 or rgb(106,139,149) in RGB space is the tint of bluish cian. It has hue angle of 193.95 degrees, value = 58 and saturation = 29. #6a8b95 can be obtained by mixing 4 colors: 3 drops of blue, 1 drop of green, 5 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6a8b95 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a8b95 to the mixer and play with it.