Hex #5d9cb2 or rgb(93,156,178) in RGB space is the tint of bluish cian. It has hue angle of 195.53 degrees, value = 70 and saturation = 48. #5d9cb2 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of cyan, 3 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #5d9cb2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d9cb2 to the mixer and play with it.