Hex #4081b5 or rgb(64,129,181) in RGB space is the tint of blue. It has hue angle of 206.67 degrees, value = 71 and saturation = 65. #4081b5 can be obtained by mixing 4 colors: 4 drops of blue, 1 drop of cyan, 2 drops of white, 1 drop of black.
Nearest safe hex - #3399cc. Below you can see the block with #4081b5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4081b5 to the mixer and play with it.