The hex color #3d3c2c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2C3D3. The grayscale version is
#373737. A 20% lighter version of the original color is
#706F5F, and Hex
#0A0900 is the 20% darker color. If the color is saturated by 10%, you get
#3E3D2B. If the color is desaturated by 10%, the color
#3C3C2D is obtained.