The hex color #30002d is a dark color. The web-safe version is Hex
#330033. A complementary color is
#CFFFD2. The grayscale version is
#1F1F1F. A 20% lighter version of the original color is
#633360, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#32002E. If the color is desaturated by 10%, the color
#2E032C is obtained.