The hex color #cb390c is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#34C6F3. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#FE6C3F, and Hex
#980600 is the 20% darker color. If the color is saturated by 10%, you get
#D63604. If the color is desaturated by 10%, the color
#C03C14 is obtained.