The hex color #8e101c is a dark color. The web-safe version is Hex
#990033. A complementary color is
#71EFE3. The grayscale version is
#3E3E3E. A 20% lighter version of the original color is
#C1434F, and Hex
#5B0000 is the 20% darker color. If the color is saturated by 10%, you get
#960B19. If the color is desaturated by 10%, the color
#86151F is obtained.