The hex color #6b4cf0 is a dark color. The web-safe version is Hex
#6633FF. A complementary color is
#94B30F. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#9E7FFF, and Hex
#3819BD is the 20% darker color. If the color is saturated by 10%, you get
#6846FA. If the color is desaturated by 10%, the color
#6E53E6 is obtained.