The hex color #5D5EAF is a dark color. The web-safe version is Hex
#666699. A complementary color is
#A2A150. The grayscale version is
#797979. A 20% lighter version of the original color is
#9091E2, and Hex
#2A2B7C is the 20% darker color. If the color is saturated by 10%, you get
#5A5BB4. If the color is desaturated by 10%, the color
#6061AA is obtained.