The hex color #691d23 is a dark color. The web-safe version is Hex
#663333. A complementary color is
#96E2DC. The grayscale version is
#383838. A 20% lighter version of the original color is
#9C5056, and Hex
#360000 is the 20% darker color. If the color is saturated by 10%, you get
#6E1A21. If the color is desaturated by 10%, the color
#642025 is obtained.