The hex color #aa190c is a dark color. The web-safe version is Hex
#990000. A complementary color is
#55E6F3. The grayscale version is
#454545. A 20% lighter version of the original color is
#DD4C3F, and Hex
#770000 is the 20% darker color. If the color is saturated by 10%, you get
#B41506. If the color is desaturated by 10%, the color
#A01D12 is obtained.