Hex #40a2a3 or rgb(64,162,163) in RGB space is the tint of cyan. It has hue angle of 180.61 degrees, value = 64 and saturation = 61. #40a2a3 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of red, 4 drops of blue, 5 drops of cyan.
Nearest safe hex - #339999. Below you can see the block with #40a2a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a2a3 to the mixer and play with it.