The hex color #3cc5ed is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#C33A12. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#6FF8FF, and Hex
#0992BA is the 20% darker color. If the color is saturated by 10%, you get
#32C8F4. If the color is desaturated by 10%, the color
#46C2E6 is obtained.