Hex #5d9eaa or rgb(93,158,170) in RGB space is the tint of bluish cian. It has hue angle of 189.35 degrees, value = 67 and saturation = 45. #5d9eaa can be obtained by mixing 3 colors: 5 drops of blue, 2 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #5d9eaa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d9eaa to the mixer and play with it.