The hex color #5c4f8c is a dark color. The web-safe version is Hex
#666699. A complementary color is
#A3B073. The grayscale version is
#686868. A 20% lighter version of the original color is
#8F82BF, and Hex
#291C59 is the 20% darker color. If the color is saturated by 10%, you get
#5B4D90. If the color is desaturated by 10%, the color
#5D5188 is obtained.