Hex #40868a or rgb(64,134,138) in RGB space is the tint of cyan. It has hue angle of 183.24 degrees, value = 54 and saturation = 54. #40868a can be obtained by mixing 4 colors: 2 drops of magenta, 3 drops of cyan, 2 drops of green, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #40868a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40868a to the mixer and play with it.