The hex color #7f0f0d is a dark color. The web-safe version is Hex
#660000. A complementary color is
#80F0F2. The grayscale version is
#343434. A 20% lighter version of the original color is
#B24240, and Hex
#4C0000 is the 20% darker color. If the color is saturated by 10%, you get
#870B09. If the color is desaturated by 10%, the color
#771311 is obtained.