Hex #40918e or rgb(64,145,142) in RGB space is the tint of cyan. It has hue angle of 177.78 degrees, value = 57 and saturation = 56. #40918e can be obtained by mixing 4 colors: 3 drops of magenta, 1 drop of blue, 4 drops of cyan, 4 drops of green.
Nearest safe hex - #339999. Below you can see the block with #40918e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40918e to the mixer and play with it.