Hex #40abc7 or rgb(64,171,199) in RGB space is the tint of bluish cian. It has hue angle of 192.44 degrees, value = 78 and saturation = 68. #40abc7 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 4 drops of cyan, 2 drops of white.
Nearest safe hex - #3399cc. Below you can see the block with #40abc7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40abc7 to the mixer and play with it.