Hex #6a88b2 or rgb(106,136,178) in RGB space is the tint of blue. It has hue angle of 215.00 degrees, value = 70 and saturation = 40. #6a88b2 can be obtained by mixing 3 colors: 5 drops of blue, 5 drops of white, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #6a88b2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a88b2 to the mixer and play with it.