The hex color #6d7ebc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#928143. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#A0B1EF, and Hex
#3A4B89 is the 20% darker color. If the color is saturated by 10%, you get
#6A7DC1. If the color is desaturated by 10%, the color
#7080B7 is obtained.