The hex color #ea3f11 is a dark color. The web-safe version is Hex
#FF3300. A complementary color is
#15C0EE. The grayscale version is
#696969. A 20% lighter version of the original color is
#FF7244, and Hex
#B70C00 is the 20% darker color. If the color is saturated by 10%, you get
#F73B08. If the color is desaturated by 10%, the color
#DD431A is obtained.