The hex color #5a37cc is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#A5C833. The grayscale version is
#747474. A 20% lighter version of the original color is
#8D6AFF, and Hex
#270499 is the 20% darker color. If the color is saturated by 10%, you get
#5731D5. If the color is desaturated by 10%, the color
#5D3DC3 is obtained.