Hex #40aaca or rgb(64,170,202) in RGB space is the tint of bluish cian. It has hue angle of 193.91 degrees, value = 79 and saturation = 68. #40aaca can be obtained by mixing 4 colors: 2 drops of blue, 3 drops of cyan, 2 drops of white, 1 drop of black.
Nearest safe hex - #3399cc. Below you can see the block with #40aaca color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40aaca to the mixer and play with it.