Red 700
red-700 · #B91C1C
HEX
#B91C1C
RGB
rgb(185, 28, 28)
CMYK
cmyk(0%, 85%, 85%, 27%)
HSL
hsl(0, 74%, 42%)
LAB
lab(40.0, 59.3, 42.2)
What is Red 700?
Red 700 is the red-700 reference in the Tailwind CSS palette. Its sRGB value is #B91C1C (rgb 185, 28, 28). It sits in the red family. The default color palette shipped with Tailwind CSS v3 by Tailwind Labs. 22 color families across 11 lightness steps (50 to 950). See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Red 700 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Red 700
An 11-step tonal scale derived from Red 700 (#B91C1C). 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
#F9EDED
#F9EDED
100
#F4DBDB
#F4DBDB
200
#E9B6B6
#E9B6B6
300
#DC8E8E
#DC8E8E
400
#CB5555
#CB5555
500
#B91C1C
#B91C1C
600
#9D1818
#9D1818
700
#781212
#781212
800
#530D0D
#530D0D
900
#2E0707
#2E0707
950
#160303
#160303
Lighter tints (mixed with white)
15%
#C66F6F
30%
#D19797
45%
#DCB4B4
60%
#E6CCCC
75%
#F0E1E1
Darker shades (mixed with black)
15%
#AC1919
30%
#9E1616
45%
#8D1313
60%
#7A0F0F
75%
#620A0A
Color harmonies for Red 700
Classic color-theory harmonies derived from rotating the hue of Red 700. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#B91C1C
#B91C1C
#1CBABA
#1CBABA
Triadic
Three colors 120° apart
#B91C1C
#B91C1C
#1CBA1C
#1CBA1C
#1C1CBA
#1C1CBA
Analogous
Two neighbors ±30° on the wheel
#BA1C6B
#BA1C6B
#B91C1C
#B91C1C
#BA6B1C
#BA6B1C
Split-complementary
Base + two colors flanking its complement
#B91C1C
#B91C1C
#1CBA6B
#1CBA6B
#1C6BBA
#1C6BBA
Tetradic
Two complementary pairs
#B91C1C
#B91C1C
#BABA1C
#BABA1C
#1CBABA
#1CBABA
#1C1CBA
#1C1CBA
Square
Four colors evenly spaced 90° apart
#B91C1C
#B91C1C
#6BBA1C
#6BBA1C
#1CBABA
#1CBABA
#6B1CBA
#6B1CBA
Red 700 in every color space
Full conversion of Red 700 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
#B91C1C
RGB
rgb(185, 28, 28)
CMYK
cmyk(0%, 85%, 85%, 27%)
HSL
hsl(0, 74%, 42%)
HSV
hsv(0, 85%, 73%)
HWB
hwb(0 11% 27%)
CIE Lab
lab(40.0 59.3 42.2)
OKLCH
oklch(50.5% 0.190 27.5)
XYZ (D65)
xyz(20.64, 11.23, 2.18)
Copy-ready code for Red 700
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: #B91C1C;
background-color: #B91C1C;CSS variable
:root {
--color-red-700: #B91C1C;
}Tailwind config
// tailwind.config.js
colors: {
'red-700': '#B91C1C',
}Sass
$color-red-700: #B91C1C;Swift UIColor
UIColor(red: 0.725, green: 0.110, blue: 0.110, alpha: 1.0)Android XML
<color name="red-700">#B91C1C</color>Closest match in every color system
The nearest Red 700 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 Tailwind CSS palette
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 3016
#B32821
Coral red
RAL 3000
#AF2B1E
Flame red
RAL 3031
#B32428
Orient red
RAL 3001
#A52019
Signal red
RAL 3002
#A2231D
Carmine red
RAL 2002
#CB2821
Vermilion
FAQ about Red 700
What is the HEX code for Red 700?
Red 700 (red-700) has the HEX code #B91C1C. In RGB it is rgb(185, 28, 28), and in CMYK it is cmyk(0%, 85%, 85%, 27%).
What is the OKLCH value of Red 700?
Red 700 converts to oklch(0.505 0.190 27.5). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Red 700 accessible for body text?
Used as a background, Red 700 has a contrast ratio of 3.25:1 with black text and 6.47:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Red 700?
The closest Pantone reference to Red 700 by ΔE2000 perceptual distance is Pantone 186 C (#C8102E). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Red 700?
The closest RAL Classic reference to Red 700 by ΔE2000 distance is RAL 3016 (Coral red, #B32821). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Red 700?
The complementary color (180° opposite on the HSL color wheel) of Red 700 is #1CBABA. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Tailwind CSS default palette (v3)
The default color palette shipped with Tailwind CSS v3 by Tailwind Labs Inc. Use as a reference for design tokens, web color systems, and Tailwind-based design conversations. Names like 'blue-500' are the project's own naming convention.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Tailwind palette values are designed for digital interfaces under sRGB. For print, convert to a process-appropriate value and proof against the substrate; do not rely on sRGB CMYK conversion for color-critical print work.