The hex color #6d011c is a dark color. The web-safe version is Hex
#660033. A complementary color is
#92FEE3. The grayscale version is
#2E2E2E. A 20% lighter version of the original color is
#A0344F, and Hex
#3A0000 is the 20% darker color. If the color is saturated by 10%, you get
#73001A. If the color is desaturated by 10%, the color
#67061E is obtained.