The hex color #9a212c is a dark color. The web-safe version is Hex
#993333. A complementary color is
#65DED3. The grayscale version is
#4D4D4D. A 20% lighter version of the original color is
#CD545F, and Hex
#670000 is the 20% darker color. If the color is saturated by 10%, you get
#A21D29. If the color is desaturated by 10%, the color
#92252F is obtained.