Hex #5bc3d5 or rgb(91,195,213) in RGB space is the tint of bluish cian. It has hue angle of 188.85 degrees, value = 84 and saturation = 57. #5bc3d5 can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of blue, 5 drops of cyan, 4 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #5bc3d5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bc3d5 to the mixer and play with it.