Hex #406d80 or rgb(64,109,128) in RGB space is the tint of bluish cian. It has hue angle of 197.81 degrees, value = 50 and saturation = 50. #406d80 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of cyan, 2 drops of green, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #406d80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #406d80 to the mixer and play with it.