The hex color #5a5b8c is a dark color. The web-safe version is Hex
#666699. A complementary color is
#A5A473. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#8D8EBF, and Hex
#272859 is the 20% darker color. If the color is saturated by 10%, you get
#58598F. If the color is desaturated by 10%, the color
#5C5D89 is obtained.