The hex color #a1535e is a dark color. The web-safe version is Hex
#996666. A complementary color is
#5EACA1. The grayscale version is
#717171. A 20% lighter version of the original color is
#D48691, and Hex
#6E202B is the 20% darker color. If the color is saturated by 10%, you get
#A6505C. If the color is desaturated by 10%, the color
#9C5660 is obtained.