Color #405d56 name: very dark desaturated greenish cian
Hex #405d56 or rgb(64,93,86) in RGB space is the tint of greenish cian. It has hue angle of 165.52 degrees, value = 36 and saturation = 31. #405d56 can be obtained by mixing 4 colors: 3 drops of magenta, 3 drops of blue, 5 drops of green, 1 drop of black.
Nearest safe hex - #336666. Below you can see the block with #405d56 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405d56 to the mixer and play with it.