The hex color #685afc is a dark color. The web-safe version is Hex
#6666FF. A complementary color is
#97A503. The grayscale version is
#959595. A 20% lighter version of the original color is
#9B8DFF, and Hex
#3527C9 is the 20% darker color. If the color is saturated by 10%, you get
#6454FF. If the color is desaturated by 10%, the color
#6C60F2 is obtained.