Hex #406d55 or rgb(64,109,85) in RGB space is the tint of teal. It has hue angle of 148.00 degrees, value = 43 and saturation = 41. #406d55 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of cyan, 2 drops of green, 3 drops of black.
Nearest safe hex - #336666. Below you can see the block with #406d55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #406d55 to the mixer and play with it.