The hex color #4c65cc is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#B39A33. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#7F98FF, and Hex
#193299 is the 20% darker color. If the color is saturated by 10%, you get
#4762D4. If the color is desaturated by 10%, the color
#5168C4 is obtained.