Hex #40a6c0 or rgb(64,166,192) in RGB space is the tint of bluish cian. It has hue angle of 192.19 degrees, value = 75 and saturation = 67. #40a6c0 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 2 drops of blue, 4 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #40a6c0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a6c0 to the mixer and play with it.