Hex #405365 or rgb(64,83,101) in RGB space is the tint of blue. It has hue angle of 209.19 degrees, value = 40 and saturation = 37. #405365 can be obtained by mixing 4 colors: 4 drops of red, 2 drops of blue, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #405365 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405365 to the mixer and play with it.