Red2
red2 · #EE0000
HEX
#EE0000
RGB
rgb(238, 0, 0)
CMYK
cmyk(0%, 100%, 100%, 7%)
HSL
hsl(0, 100%, 47%)
LAB
lab(49.7, 76.0, 63.8)
What is Red2?
Red2 is the red2 reference in the X11 named colors. Its sRGB value is #EE0000 (rgb 238, 0, 0). It sits in the red family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Red2 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Red2
An 11-step tonal scale derived from Red2 (#EE0000). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#FEEBEB
#FEEBEB
100
#FCD6D6
#FCD6D6
200
#FAADAD
#FAADAD
300
#F78080
#F78080
400
#F24040
#F24040
500
#EE0000
#EE0000
600
#CA0000
#CA0000
700
#9B0000
#9B0000
800
#6B0000
#6B0000
900
#3C0000
#3C0000
950
#1D0000
#1D0000
Lighter tints (mixed with white)
15%
#F16C6C
30%
#F39595
45%
#F6B3B3
60%
#F8CBCB
75%
#FBE1E1
Darker shades (mixed with black)
15%
#DD0000
30%
#CB0000
45%
#B60000
60%
#9E0000
75%
#7F0000
Color harmonies for Red2
Classic color-theory harmonies derived from rotating the hue of Red2. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#EE0000
#EE0000
#00F0F0
#00F0F0
Triadic
Three colors 120° apart
#EE0000
#EE0000
#00F000
#00F000
#0000F0
#0000F0
Analogous
Two neighbors ±30° on the wheel
#F00078
#F00078
#EE0000
#EE0000
#F07800
#F07800
Split-complementary
Base + two colors flanking its complement
#EE0000
#EE0000
#00F078
#00F078
#0078F0
#0078F0
Tetradic
Two complementary pairs
#EE0000
#EE0000
#F0F000
#F0F000
#00F0F0
#00F0F0
#0000F0
#0000F0
Square
Four colors evenly spaced 90° apart
#EE0000
#EE0000
#78F000
#78F000
#00F0F0
#00F0F0
#7800F0
#7800F0
Red2 in every color space
Full conversion of Red2 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#EE0000
RGB
rgb(238, 0, 0)
CMYK
cmyk(0%, 100%, 100%, 7%)
HSL
hsl(0, 100%, 47%)
HSV
hsv(0, 100%, 93%)
HWB
hwb(0 0% 7%)
CIE Lab
lab(49.7 76.0 63.8)
OKLCH
oklch(59.6% 0.245 29.2)
XYZ (D65)
xyz(35.26, 18.18, 1.65)
Copy-ready code for Red2
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #EE0000;
background-color: #EE0000;CSS variable
:root {
--color-red2: #EE0000;
}Tailwind config
// tailwind.config.js
colors: {
'red2': '#EE0000',
}Sass
$color-red2: #EE0000;Swift UIColor
UIColor(red: 0.933, green: 0.000, blue: 0.000, alpha: 1.0)Android XML
<color name="red2">#EE0000</color>Closest match in every color system
The nearest Red2 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in X11 named colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 2009
#F54021
Traffic orange
RAL 2010
#D84B20
Signal orange
RAL 2001
#C93C20
Red orange
RAL 3022
#D95030
Salmon pink
RAL 3020
#CC0605
Traffic red
RAL 2004
#F44611
Pure orange
FAQ about Red2
What is the HEX code for Red2?
Red2 (red2) has the HEX code #EE0000. In RGB it is rgb(238, 0, 0), and in CMYK it is cmyk(0%, 100%, 100%, 7%).
What is the OKLCH value of Red2?
Red2 converts to oklch(0.596 0.245 29.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Red2 accessible for body text?
Used as a background, Red2 has a contrast ratio of 4.64:1 with black text and 4.53:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Red2?
The closest Pantone reference to Red2 by ΔE2000 perceptual distance is Pantone 485 U (#D9381E). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Red2?
The closest RAL Classic reference to Red2 by ΔE2000 distance is RAL 2009 (Traffic orange, #F54021). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Red2?
The complementary color (180° opposite on the HSL color wheel) of Red2 is #00F0F0. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
X11 named colors (xorg rgb.txt)
The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.
- Source type
- derived
- Confidence
- high
- License
- MIT/X11 license (X Consortium)
- Last reviewed
- 2026-05-24
Workflow tags
X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.