The hex color #c24b0b is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#3DB4F4. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#F57E3E, and Hex
#8F1800 is the 20% darker color. If the color is saturated by 10%, you get
#CC4903. If the color is desaturated by 10%, the color
#B84D13 is obtained.