The hex color #a40e57 is a dark color. The web-safe version is Hex
#990066. A complementary color is
#5BF1A8. The grayscale version is
#585858. A 20% lighter version of the original color is
#D7418A, and Hex
#710024 is the 20% darker color. If the color is saturated by 10%, you get
#AC0757. If the color is desaturated by 10%, the color
#9C1557 is obtained.