The hex color #6c81f7 is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#937E08. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#9FB4FF, and Hex
#394EC4 is the 20% darker color. If the color is saturated by 10%, you get
#677EFF. If the color is desaturated by 10%, the color
#7184EE is obtained.