The hex color #7780df is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#887F20. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#AAB3FF, and Hex
#444DAC is the 20% darker color. If the color is saturated by 10%, you get
#737DE6. If the color is desaturated by 10%, the color
#7B83D8 is obtained.