The hex color #248bcd is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#DB7432. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#57BEFF, and Hex
#00589A is the 20% darker color. If the color is saturated by 10%, you get
#1B8CD5. If the color is desaturated by 10%, the color
#2D8AC5 is obtained.