The hex color #2d1021 is a dark color. The web-safe version is Hex
#330033. A complementary color is
#D2EFDE. The grayscale version is
#1F1F1F. A 20% lighter version of the original color is
#604354, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#2E0E21. If the color is desaturated by 10%, the color
#2C1221 is obtained.