The hex color #6bcff8 is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#943007. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#9EFFFF, and Hex
#389CC5 is the 20% darker color. If the color is saturated by 10%, you get
#63D1FE. If the color is desaturated by 10%, the color
#73CDF2 is obtained.