Hex #5bb0bd or rgb(91,176,189) in RGB space is the tint of bluish cian. It has hue angle of 187.96 degrees, value = 74 and saturation = 52. #5bb0bd can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of cyan, 2 drops of green, 5 drops of white.
Nearest safe hex - #6699cc. Below you can see the block with #5bb0bd color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bb0bd to the mixer and play with it.