The hex color #847ddf is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#7B8220. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#B7B0FF, and Hex
#514AAC is the 20% darker color. If the color is saturated by 10%, you get
#817AE5. If the color is desaturated by 10%, the color
#8781D9 is obtained.