#FF0000

Red — Color Codes & Palette

Q: What is the RGB value of Red?

The RGB value of Red (#FF0000) is rgb(255, 0, 0). This breaks down into red, green, and blue channel values on a 0–255 scale.

Q: Is Red accessible on a white background?

The contrast ratio of Red (#FF0000) on a white (#FFFFFF) background is 4.00:1 — AA pass for large text only. On a black (#000000) background the contrast ratio is 5.25:1 — AA pass for normal text. WCAG 2.1 requires 4.5:1 for normal text (AA) and 7:1 for enhanced (AAA).

Q: What colors pair well with Red?

Red (#FF0000) pairs well with its complementary color and analogous hues. The complementary color is #00FFFF, the analogous color at +30° is #FF8000, and one triadic color is #00FF00. These relationships are derived from color theory using HSL (hsl(0, 100%, 50%)) as the base.

#FF0000 · rgb(255, 0, 0) · hsl(0, 100%, 50%)

Color Codes

Format	Value
HEX	#FF0000
RGB	rgb(255, 0, 0)
HSL	hsl(0, 100%, 50%)

Shades of Red

#E60000

#CC0000

#B30000

#990000

#800000

#660000

#4D0000

#330000

Tints of Red

#FF1A1A

#FF3333

#FF4D4D

#FF6666

#FF8080

#FF9999

#FFB3B3

#FFCCCC

Color Pairings & Harmony

Complementary

#00FFFF

Analogous +30°

#FF8000

Analogous −30°

#FF0080

Triadic +120°

#00FF00

Triadic −120°

#0000FF

Contrast & Accessibility (WCAG 2.1)

vs. White (#FFFFFF)

4.00:1 — AA pass for large text only

vs. Black (#000000)

5.25:1 — AA pass for normal text

CSS Snippet

.element {
  color: #FF0000;
}

.element-bg {
  background-color: #FF0000;
  color: #000000;
}

.element-border {
  border: 2px solid #FF0000;
}

About Red

Red is a medium color with vivid, highly saturated, defined by the hex code #FF0000. Its exact color model values are rgb(255, 0, 0) in RGB and hsl(0, 100%, 50%) in HSL (hue 0°, saturation 100%, lightness 50%). On a white background the contrast ratio is 4.00:1 — AA pass for large text only, and on black it is 5.25:1 — AA pass for normal text. Use Red for UI elements, backgrounds, text, borders, or decorative accents. The shades section below shows progressively darker variations, while the tints strip shows progressively lighter versions — both useful for building a tonal palette. The harmony swatches provide complementary, analogous, and triadic pairings based on the HSL hue wheel.

Want to explore this color interactively, generate palettes, or convert between color formats? The DevArbor Color Picker has you covered.

Open the Color Picker →

Frequently Asked Questions

What is the RGB value of Red?

The RGB value of Red (#FF0000) is rgb(255, 0, 0). Red = rgb(255, 0, 0), representing the amounts of red, green, and blue light on a 0–255 scale.

Is Red accessible on a white background?

The contrast ratio of Red on white (#FFFFFF) is 4.00:1 — AA pass for large text only. On black (#000000) the contrast ratio is 5.25:1 — AA pass for normal text. WCAG 2.1 requires 4.5:1 for AA (normal text) and 7:1 for AAA.

What colors pair well with Red?

Based on color theory, Red (hsl(0, 100%, 50%)) pairs well with its complementary, analogous, and triadic hues. See the harmony swatches above for the exact hex values of each pairing type.

Red — Color Codes &amp; Palette