Hex #4b9db4 or rgb(75,157,180) in RGB space is the tint of bluish cian. It has hue angle of 193.14 degrees, value = 71 and saturation = 58. #4b9db4 can be obtained by mixing 4 colors: 3 drops of blue, 5 drops of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #3399cc. Below you can see the block with #4b9db4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4b9db4 to the mixer and play with it.