Hex #6a91ab or rgb(106,145,171) in RGB space is the tint of blue. It has hue angle of 204.00 degrees, value = 67 and saturation = 38. #6a91ab can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 2 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6a91ab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a91ab to the mixer and play with it.