Hex #40a2b2 or rgb(64,162,178) in RGB space is the tint of bluish cian. It has hue angle of 188.42 degrees, value = 70 and saturation = 64. #40a2b2 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 4 drops of blue, 5 drops of cyan.
Nearest safe hex - #339999. Below you can see the block with #40a2b2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a2b2 to the mixer and play with it.