Hex #6a8287 or rgb(106,130,135) in RGB space is the tint of bluish cian. It has hue angle of 190.34 degrees, value = 53 and saturation = 21. #6a8287 can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of red, 2 drops of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #6a8287 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a8287 to the mixer and play with it.