The hex color #3c3b3e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C3C4C1. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#6F6E71, and Hex
#09080B is the 20% darker color. If the color is saturated by 10%, you get
#3C3B3E. If the color is desaturated by 10%, the color
#3C3B3E is obtained.