The hex color #a30e15 is a dark color. The web-safe version is Hex
#990000. A complementary color is
#5CF1EA. The grayscale version is
#424242. A 20% lighter version of the original color is
#D64148, and Hex
#700000 is the 20% darker color. If the color is saturated by 10%, you get
#AD0911. If the color is desaturated by 10%, the color
#99131A is obtained.