The hex color #72293c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#8DD6C3. The grayscale version is
#484848. A 20% lighter version of the original color is
#A55C6F, and Hex
#3F0009 is the 20% darker color. If the color is saturated by 10%, you get
#76263B. If the color is desaturated by 10%, the color
#6E2C3D is obtained.