Hex #40a6ce or rgb(64,166,206) in RGB space is the tint of bluish cian. It has hue angle of 196.90 degrees, value = 81 and saturation = 69. #40a6ce can be obtained by mixing 4 colors: 4 drops of blue, 4 drops of cyan, 3 drops of white, 1 drop of black.
Nearest safe hex - #3399cc. Below you can see the block with #40a6ce color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40a6ce to the mixer and play with it.