The hex color #3d3d2b is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2C2D4. The grayscale version is
#373737. A 20% lighter version of the original color is
#70705E, and Hex
#0A0A00 is the 20% darker color. If the color is saturated by 10%, you get
#3E3E2A. If the color is desaturated by 10%, the color
#3C3C2C is obtained.