The hex color #a2303c is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5DCFC3. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#D5636F, and Hex
#6F0009 is the 20% darker color. If the color is saturated by 10%, you get
#A92C39. If the color is desaturated by 10%, the color
#9B343F is obtained.