Hex #5b8baa or rgb(91,139,170) in RGB space is the tint of blue. It has hue angle of 203.54 degrees, value = 67 and saturation = 46. #5b8baa can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of cyan, 3 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #5b8baa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b8baa to the mixer and play with it.