The hex color #762c2c is a dark color. The web-safe version is Hex
#663333. A complementary color is
#89D3D3. The grayscale version is
#454545. A 20% lighter version of the original color is
#A95F5F, and Hex
#430000 is the 20% darker color. If the color is saturated by 10%, you get
#7B2A2A. If the color is desaturated by 10%, the color
#712E2E is obtained.