The hex color #ea0d3c is a dark color. The web-safe version is Hex
#FF0033. A complementary color is
#15F2C3. The grayscale version is
#666666. A 20% lighter version of the original color is
#FF406F, and Hex
#B70009 is the 20% darker color. If the color is saturated by 10%, you get
#F70438. If the color is desaturated by 10%, the color
#DD1640 is obtained.