Hex #3bb1df or rgb(59,177,223) in RGB space is the tint of bluish cian. It has hue angle of 196.83 degrees, value = 87 and saturation = 74. #3bb1df can be obtained by mixing 3 colors: 5 drops of blue, 5 drops of cyan, 3 drops of white.
Nearest safe hex - #3399cc. Below you can see the block with #3bb1df color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3bb1df to the mixer and play with it.