The hex color #3d2c3b is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2D3C4. The grayscale version is
#373737. A 20% lighter version of the original color is
#705F6E, and Hex
#0A0008 is the 20% darker color. If the color is saturated by 10%, you get
#3E2B3B. If the color is desaturated by 10%, the color
#3C2D3B is obtained.