The hex color #ea1f29 is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#15E0D6. The grayscale version is
#666666. A 20% lighter version of the original color is
#FF525C, and Hex
#B70000 is the 20% darker color. If the color is saturated by 10%, you get
#F71823. If the color is desaturated by 10%, the color
#DD262F is obtained.