The hex color #5b458c is a dark color. The web-safe version is Hex
#663399. A complementary color is
#A4BA73. The grayscale version is
#646464. A 20% lighter version of the original color is
#8E78BF, and Hex
#281259 is the 20% darker color. If the color is saturated by 10%, you get
#5A4290. If the color is desaturated by 10%, the color
#5C4888 is obtained.