Hex #40a2b5 or rgb(64,162,181) in RGB space is the tint of bluish cian. It has hue angle of 189.74 degrees, value = 71 and saturation = 65. #40a2b5 can be obtained by mixing 4 colors: 1 drop of blue, 3 drops of cyan, 2 drops of white, 2 drops of black.
Nearest safe hex - #3399cc. Below you can see the block with #40a2b5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a2b5 to the mixer and play with it.