Hex #40b6ce or rgb(64,182,206) in RGB space is the tint of bluish cian. It has hue angle of 190.14 degrees, value = 81 and saturation = 69. #40b6ce can be obtained by mixing 4 colors: 4 drops of blue, 4 drops of cyan, 1 drop of green, 3 drops of white.
Nearest safe hex - #33cccc. Below you can see the block with #40b6ce color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40b6ce to the mixer and play with it.