The hex color #88000c is a dark color. The web-safe version is Hex
#990000. A complementary color is
#77FFF3. The grayscale version is
#313131. A 20% lighter version of the original color is
#BB333F, and Hex
#550000 is the 20% darker color. If the color is saturated by 10%, you get
#910008. If the color is desaturated by 10%, the color
#7F0510 is obtained.