The hex color #3E2D2D is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C1D2D2. The grayscale version is
#333333. A 20% lighter version of the original color is
#716060, and Hex
#0B0000 is the 20% darker color. If the color is saturated by 10%, you get
#3F2C2C. If the color is desaturated by 10%, the color
#3D2E2E is obtained.