The hex color #404642 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#BFB9BD. The grayscale version is
#434343. A 20% lighter version of the original color is
#737975, and Hex
#0D130F is the 20% darker color. If the color is saturated by 10%, you get
#404642. If the color is desaturated by 10%, the color
#404642 is obtained.