The hex color #6871DB is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#978E24. The grayscale version is
#919191. A 20% lighter version of the original color is
#9BA4FF, and Hex
#353EA8 is the 20% darker color. If the color is saturated by 10%, you get
#646EE2. If the color is desaturated by 10%, the color
#6C74D4 is obtained.