The hex color #4b71db is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#B48E24. The grayscale version is
#888888. A 20% lighter version of the original color is
#7EA4FF, and Hex
#183EA8 is the 20% darker color. If the color is saturated by 10%, you get
#456FE3. If the color is desaturated by 10%, the color
#5173D3 is obtained.