The hex color #ea64d3 is a light color. The web-safe version is Hex
#FF66CC. A complementary color is
#159B2C. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#FF97FF, and Hex
#B731A0 is the 20% darker color. If the color is saturated by 10%, you get
#EF5CD6. If the color is desaturated by 10%, the color
#E56CD0 is obtained.