The hex color #000409 is a dark color. The web-safe version is Hex
#000000. A complementary color is
#FFFBF6. The grayscale version is
#040404. A 20% lighter version of the original color is
#33373C, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#000409. If the color is desaturated by 10%, the color
#000409 is obtained.