Hex #6aa6b2 or rgb(106,166,178) in RGB space is the tint of bluish cian. It has hue angle of 190.00 degrees, value = 70 and saturation = 40. #6aa6b2 can be obtained by mixing 3 colors: 5 drops of blue, 2 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6aa6b2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6aa6b2 to the mixer and play with it.