The hex color #c1370a is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#3EC8F5. The grayscale version is
#565656. A 20% lighter version of the original color is
#F46A3D, and Hex
#8E0400 is the 20% darker color. If the color is saturated by 10%, you get
#CC3402. If the color is desaturated by 10%, the color
#B63A12 is obtained.