The hex color #5b82e5 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#A47D1A. The grayscale version is
#969696. A 20% lighter version of the original color is
#8EB5FF, and Hex
#284FB2 is the 20% darker color. If the color is saturated by 10%, you get
#5580ED. If the color is desaturated by 10%, the color
#6184DD is obtained.