The hex color #876efc is a light color. The web-safe version is Hex
#9966FF. A complementary color is
#789103. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#BAA1FF, and Hex
#543BC9 is the 20% darker color. If the color is saturated by 10%, you get
#8468FF. If the color is desaturated by 10%, the color
#8A74F3 is obtained.