The hex color #5b09dd is a dark color. The web-safe version is Hex
#6600CC. A complementary color is
#A4F622. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#8E3CFF, and Hex
#2800AA is the 20% darker color. If the color is saturated by 10%, you get
#5900E8. If the color is desaturated by 10%, the color
#5D13D2 is obtained.