The hex color #680f2c is a dark color. The web-safe version is Hex
#660033. A complementary color is
#97F0D3. The grayscale version is
#363636. A 20% lighter version of the original color is
#9B425F, and Hex
#350000 is the 20% darker color. If the color is saturated by 10%, you get
#6D0B2B. If the color is desaturated by 10%, the color
#63132D is obtained.