The hex color #40012c is a dark color. The web-safe version is Hex
#330033. A complementary color is
#BFFED3. The grayscale version is
#242424. A 20% lighter version of the original color is
#73345F, and Hex
#0D0000 is the 20% darker color. If the color is saturated by 10%, you get
#43002D. If the color is desaturated by 10%, the color
#3D052B is obtained.