The hex color #c93029 is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#36CFD6. The grayscale version is
#616161. A 20% lighter version of the original color is
#FC635C, and Hex
#960000 is the 20% darker color. If the color is saturated by 10%, you get
#D32B23. If the color is desaturated by 10%, the color
#BF352F is obtained.