The hex color #a813a1 is a dark color. The web-safe version is Hex
#990099. A complementary color is
#57EC5E. The grayscale version is
#747474. A 20% lighter version of the original color is
#DB46D4, and Hex
#75006E is the 20% darker color. If the color is saturated by 10%, you get
#AD09A6. If the color is desaturated by 10%, the color
#A31D9D is obtained.