Hex #50bbd5 or rgb(80,187,213) in RGB space is the tint of bluish cian. It has hue angle of 191.73 degrees, value = 84 and saturation = 62. #50bbd5 can be obtained by mixing 4 colors: 5 drops of blue, 5 drops of cyan, 1 drop of green, 5 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #50bbd5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #50bbd5 to the mixer and play with it.