The hex color #b2302c is a dark color. The web-safe version is Hex
#993333. A complementary color is
#4DCFD3. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#E5635F, and Hex
#7F0000 is the 20% darker color. If the color is saturated by 10%, you get
#BB2C27. If the color is desaturated by 10%, the color
#A93431 is obtained.