The hex color #6a390c is a dark color. The web-safe version is Hex
#663300. A complementary color is
#95C6F3. The grayscale version is
#3A3A3A. A 20% lighter version of the original color is
#9D6C3F, and Hex
#370600 is the 20% darker color. If the color is saturated by 10%, you get
#6F3907. If the color is desaturated by 10%, the color
#653911 is obtained.