The hex color #3d3f2c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2C0D3. The grayscale version is
#383838. A 20% lighter version of the original color is
#70725F, and Hex
#0A0C00 is the 20% darker color. If the color is saturated by 10%, you get
#3E402B. If the color is desaturated by 10%, the color
#3D3E2D is obtained.