The hex color #3c3b3d is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C3C4C2. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#6F6E70, and Hex
#09080A is the 20% darker color. If the color is saturated by 10%, you get
#3C3B3D. If the color is desaturated by 10%, the color
#3C3B3D is obtained.