Indianred4
indianred4 · #8B3A3A
HEX
#8B3A3A
RGB
rgb(139, 58, 58)
CMYK
cmyk(0%, 58%, 58%, 45%)
HSL
hsl(0, 41%, 39%)
LAB
lab(35.6, 34.5, 17.3)
What is Indianred4?
Indianred4 is the indianred4 reference in the X11 named colors. Its sRGB value is #8B3A3A (rgb 139, 58, 58). 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 Indianred4 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Indianred4
An 11-step tonal scale derived from Indianred4 (#8B3A3A). 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
#F6EFEF
#F6EFEF
100
#ECDFDF
#ECDFDF
200
#DAC0C0
#DAC0C0
300
#C59D9D
#C59D9D
400
#A86B6B
#A86B6B
500
#8B3A3A
#8B3A3A
600
#763131
#763131
700
#5A2626
#5A2626
800
#3F1A1A
#3F1A1A
900
#230F0F
#230F0F
950
#110707
#110707
Lighter tints (mixed with white)
15%
#A47777
30%
#B89B9B
45%
#CAB7B7
60%
#DACECE
75%
#E9E2E2
Darker shades (mixed with black)
15%
#813535
30%
#763030
45%
#692A2A
60%
#5A2323
75%
#481A1A
Color harmonies for Indianred4
Classic color-theory harmonies derived from rotating the hue of Indianred4. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#8B3A3A
#8B3A3A
#3B8C8C
#3B8C8C
Triadic
Three colors 120° apart
#8B3A3A
#8B3A3A
#3B8C3B
#3B8C3B
#3B3B8C
#3B3B8C
Analogous
Two neighbors ±30° on the wheel
#8C3B63
#8C3B63
#8B3A3A
#8B3A3A
#8C633B
#8C633B
Split-complementary
Base + two colors flanking its complement
#8B3A3A
#8B3A3A
#3B8C63
#3B8C63
#3B638C
#3B638C
Tetradic
Two complementary pairs
#8B3A3A
#8B3A3A
#8C8C3B
#8C8C3B
#3B8C8C
#3B8C8C
#3B3B8C
#3B3B8C
Square
Four colors evenly spaced 90° apart
#8B3A3A
#8B3A3A
#638C3B
#638C3B
#3B8C8C
#3B8C8C
#633B8C
#633B8C
Indianred4 in every color space
Full conversion of Indianred4 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
#8B3A3A
RGB
rgb(139, 58, 58)
CMYK
cmyk(0%, 58%, 58%, 45%)
HSL
hsl(0, 41%, 39%)
HSV
hsv(0, 58%, 55%)
HWB
hwb(0 23% 45%)
CIE Lab
lab(35.6 34.5 17.3)
OKLCH
oklch(45.8% 0.111 22.5)
XYZ (D65)
xyz(12.93, 8.82, 5.02)
Copy-ready code for Indianred4
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: #8B3A3A;
background-color: #8B3A3A;CSS variable
:root {
--color-indianred4: #8B3A3A;
}Tailwind config
// tailwind.config.js
colors: {
'indianred4': '#8B3A3A',
}Sass
$color-indianred4: #8B3A3A;Swift UIColor
UIColor(red: 0.545, green: 0.227, blue: 0.227, alpha: 1.0)Android XML
<color name="indianred4">#8B3A3A</color>Closest match in every color system
The nearest Indianred4 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 4002
#922B3E
Red violet
RAL 3003
#9B111E
Ruby red
RAL 8004
#8E402A
Copper brown
RAL 3011
#781F19
Brown red
RAL 3004
#75151E
Purple red
RAL 3002
#A2231D
Carmine red
FAQ about Indianred4
What is the HEX code for Indianred4?
Indianred4 (indianred4) has the HEX code #8B3A3A. In RGB it is rgb(139, 58, 58), and in CMYK it is cmyk(0%, 58%, 58%, 45%).
What is the OKLCH value of Indianred4?
Indianred4 converts to oklch(0.458 0.111 22.5). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Indianred4 accessible for body text?
Used as a background, Indianred4 has a contrast ratio of 2.76:1 with black text and 7.60:1 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 Indianred4?
The closest Pantone reference to Indianred4 by ΔE2000 perceptual distance is Pantone 195 C (#893B45). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Indianred4?
The closest RAL Classic reference to Indianred4 by ΔE2000 distance is RAL 4002 (Red violet, #922B3E). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Indianred4?
The complementary color (180° opposite on the HSL color wheel) of Indianred4 is #3B8C8C. 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.