The hex color #742a39 is a dark color. The web-safe version is Hex
#663333. A complementary color is
#8BD5C6. The grayscale version is
#484848. A 20% lighter version of the original color is
#A75D6C, and Hex
#410006 is the 20% darker color. If the color is saturated by 10%, you get
#782738. If the color is desaturated by 10%, the color
#702D3A is obtained.