The hex color #ff3b5b is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#00C4A4. The grayscale version is
#878787. A 20% lighter version of the original color is
#FF6E8E, and Hex
#CC0828 is the 20% darker color. If the color is saturated by 10%, you get
#FF3357. If the color is desaturated by 10%, the color
#F3435F is obtained.