Colors Encyclopedia

HEX atlas value

#A7431B

#A7431B is a warm orange HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 167, 67, 27, HSL 17, 72%, 38%, has luminance 0.1231, and belongs to the vibrant group.

orangewarmvibrant
#A7431B Sample readable text
HEX #A7431B
RGB rgb(167, 67, 27)
HSL hsl(17 72% 38%)
CMYK cmyk(0, 60, 84, 35)
Luminance 0.1231
Contrast Black 3.46:1White 6.07:1

CSS

--color-a7431b: #A7431B;
.background-a7431b { background-color: #A7431B; }
.text-a7431b { color: #A7431B; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.1231
Black text3.46:1AA Fail
White text6.07:1AA Pass
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{"hex":"#A7431B","rgb":[167,67,27],"hsl":[17,72,38],"cmyk":[0,60,84,35],"luminance":0.1231,"contrast":{"black":3.46,"white":6.07}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.46,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.07,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#58230E","hex":"#58230E","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.66,"contrastWhite":12.64,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#A71B39","hex":"#A71B39","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.86,"contrastWhite":7.35,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Pompeian Red","hex":"#A42A04","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Saddle Brown","hex":"#8B4513","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.1,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Rust adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a7431b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/saddle-brown.json"]}
Harmonies
{"complementary":"#1B7FA7","analogous":["#A71B39","#A7881B"],"triadic":["#1BA743","#431BA7"],"tetradic":["#39A71B","#1B7FA7","#881BA7"],"splitComplementary":["#1BA788","#1B39A7"],"monochromatic":["#E06C3E","#A7431B","#58230E"]}
Variants
{"light":"#E06C3E","dark":"#58230E","saturated":"#BC3906","desaturated":"#914C30","pastel":"#D6896B","neon":"#EB4200"}
Nearest named colors
[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":20.71231517720798},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":24.454038521274967},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":29.189039038652847},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":29.223278392404914},{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":34.10278580995987}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A7431B

#A7431B is classified as a warm orange value with vibrant visual character. #A7431B is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 167, 67, and 27, with red carrying the strongest channel weight. In HSL, the hue is 17deg with 72% saturation and 38% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.1231, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.71, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.46:1AA Fail
White text6.07:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A7431B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.46:1 · Fail
White text#FFFFFF6.07:1 · AA

Accessible Alternatives

#58230E#FFFFFF text · best 12.64:1#58230E
#A71B39#FFFFFF text · best 7.35:1#A71B39
Pompeian Red#FFFFFF text · best 7.21:1#A42A04
Saddle Brown#FFFFFF text · best 7.1:1#8B4513
Brown#FFFFFF text · best 7.09:1#A52A2A

Generated Palette

#A7431B#A7431B
#1B7FA7#1B7FA7
#A71B39#A71B39
#A7881B#A7881B
#E06C3E#E06C3E
#58230E#58230E

Color Harmonies

#1B7FA7#1B7FA7
#A71B39#A71B39
#A7881B#A7881B
#1BA743#1BA743
#431BA7#431BA7

Variants

#E06C3E#E06C3E
#58230E#58230E
#BC3906#BC3906
#914C30#914C30
#D6896B#D6896B
#EB4200#EB4200

Nearest Named Colors

Rust#B7410E
Sienna#A0522D
Saddle Brown#8B4513
Brown#A52A2A
Pompeian Red#A42A04

Related HEX Guides

Rust colorOpen the nearest named color reference for #B7410E.Sienna colorOpen the nearest named color reference for #A0522D.Saddle Brown colorOpen the nearest named color reference for #8B4513.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#A7431B APIOpen the machine-readable JSON record for this HEX value.