The hex color #3d3d2a is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2C2D5. The grayscale version is
#373737. A 20% lighter version of the original color is
#70705D, and Hex
#0A0A00 is the 20% darker color. If the color is saturated by 10%, you get
#3E3E29. If the color is desaturated by 10%, the color
#3C3C2B is obtained.