The hex color #64aefc is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#9B5103. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#97E1FF, and Hex
#317BC9 is the 20% darker color. If the color is saturated by 10%, you get
#5CAEFF. If the color is desaturated by 10%, the color
#6CAEF4 is obtained.