The hex color #3c1d2d is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C3E2D2. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#6F5060, and Hex
#090000 is the 20% darker color. If the color is saturated by 10%, you get
#3E1B2D. If the color is desaturated by 10%, the color
#3A1F2D is obtained.