The hex color #3d2f3d is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2D0C2. The grayscale version is
#383838. A 20% lighter version of the original color is
#706270, and Hex
#0A000A is the 20% darker color. If the color is saturated by 10%, you get
#3D2E3D. If the color is desaturated by 10%, the color
#3D303D is obtained.