#0000FF

Blue#0000FF

RGB(0, 0, 255)  •  HSL(240°, 100%, 50%)  •  CMYK(100%, 100%, 0%, 0%)

Color Values

HEX#0000FF
RGB0, 0, 255
HSL240° 100% 50%
CMYK100% 100% 0% 0%

Color Harmonies

About Blue

Blue (#0000FF) is a medium, vibrant blue color. With RGB values of 0, 0, 255 and an HSL of 240°, 100%, 50%, it sits in the blue family of colors. This hue is commonly used in design contexts that call for a medium blue tone.

The HEX code #0000FF translates to red 0, green 0, blue 255 in RGB notation — a standard color model used in digital displays and web development. In HSL (Hue, Saturation, Lightness) notation, this color is represented as 240°, 100%, 50%, making it easy to create systematic tints and shades by adjusting the lightness value.

For print design, Blue converts to a CMYK value of 100% Cyan, 100% Magenta, 0% Yellow, and 0% Key (Black). Always verify CMYK values with your printer, as on-screen colors may differ slightly from physical prints due to gamut differences between RGB and CMYK color spaces.

Using Blue in Design

  • Blue is versatile as both a primary brand color and a supporting UI element tone.
  • It pairs well with neutral whites, grays, and off-whites for a balanced and professional look.
  • Cool blues and teals convey trust and calm — widely used in tech, finance, and healthcare design.
  • When using Blue in web design, always verify WCAG contrast ratios to ensure accessibility for all users.