Hex #405c72 or rgb(64,92,114) in RGB space is the tint of blue. It has hue angle of 206.40 degrees, value = 45 and saturation = 44. #405c72 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 2 drops of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #405c72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405c72 to the mixer and play with it.