The hex color #8e0b0c is a dark color. The web-safe version is Hex
#990000. A complementary color is
#71F4F3. The grayscale version is
#373737. A 20% lighter version of the original color is
#C13E3F, and Hex
#5B0000 is the 20% darker color. If the color is saturated by 10%, you get
#970708. If the color is desaturated by 10%, the color
#850F10 is obtained.