The hex color #531e4b is a dark color. The web-safe version is Hex
#663333. A complementary color is
#ACE1B4. The grayscale version is
#3F3F3F. A 20% lighter version of the original color is
#86517E, and Hex
#200018 is the 20% darker color. If the color is saturated by 10%, you get
#551B4C. If the color is desaturated by 10%, the color
#51214A is obtained.