The hex color #6c213d is a dark color. The web-safe version is Hex
#663333. A complementary color is
#93DEC2. The grayscale version is
#434343. A 20% lighter version of the original color is
#9F5470, and Hex
#39000A is the 20% darker color. If the color is saturated by 10%, you get
#701E3C. If the color is desaturated by 10%, the color
#68243E is obtained.