The hex color #6b45dc is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#94BA23. The grayscale version is
#848484. A 20% lighter version of the original color is
#9E78FF, and Hex
#3812A9 is the 20% darker color. If the color is saturated by 10%, you get
#693FE5. If the color is desaturated by 10%, the color
#6E4BD3 is obtained.