The hex color #8a84ee is a light color. The web-safe version is Hex
#9999FF. A complementary color is
#757B11. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#BDB7FF, and Hex
#5751BB is the 20% darker color. If the color is saturated by 10%, you get
#8780F5. If the color is desaturated by 10%, the color
#8D88E7 is obtained.