Hex #40c3d5 or rgb(64,195,213) in RGB space is the tint of cyan. It has hue angle of 187.25 degrees, value = 84 and saturation = 70. #40c3d5 can be obtained by mixing 4 colors: 3 drops of blue, 5 drops of cyan, 1 drop of green, 3 drops of white.
Nearest safe hex - #33cccc. Below you can see the block with #40c3d5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40c3d5 to the mixer and play with it.