Hex #40a8e0 or rgb(64,168,224) in RGB space is the tint of bluish cian. It has hue angle of 201.00 degrees, value = 88 and saturation = 71. #40a8e0 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of blue, 4 drops of cyan, 1 drop of white.
Nearest safe hex - #3399cc. Below you can see the block with #40a8e0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a8e0 to the mixer and play with it.