The hex color #4879fd is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#B78602. The grayscale version is
#959595. A 20% lighter version of the original color is
#7BACFF, and Hex
#1546CA is the 20% darker color. If the color is saturated by 10%, you get
#4076FF. If the color is desaturated by 10%, the color
#507CF3 is obtained.