The hex color #3d2e3d is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2D1C2. The grayscale version is
#383838. A 20% lighter version of the original color is
#706170, and Hex
#0A000A is the 20% darker color. If the color is saturated by 10%, you get
#3E2D3E. If the color is desaturated by 10%, the color
#3D2F3D is obtained.