Colors Encyclopedia

HEX atlas value

#A54131

#A54131 is a warm red HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 165, 65, 49, HSL 8, 54%, 42%, has luminance 0.12, and belongs to the balanced group.

redwarmbalanced
#A54131 Sample readable text
HEX #A54131
RGB rgb(165, 65, 49)
HSL hsl(8 54% 42%)
CMYK cmyk(0, 61, 70, 35)
Luminance 0.12
Contrast Black 3.4:1White 6.18:1

CSS

--color-a54131: #A54131;
.background-a54131 { background-color: #A54131; }
.text-a54131 { color: #A54131; }

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
Luminance0.12
Black text3.4:1AA Fail
White text6.18:1AA 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":"#A54131","rgb":[165,65,49],"hsl":[8,54,42],"cmyk":[0,61,70,35],"luminance":0.12,"contrast":{"black":3.4,"white":6.18}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.4,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.18,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#5E251C","hex":"#5E251C","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.76,"contrastWhite":11.95,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Burnt Umber","hex":"#8A3324","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.58,"contrastWhite":8.14,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#A5315C","hex":"#A5315C","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.19,"contrastWhite":6.57,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#D07162","hex":"#D07162","family":"red","bestTextColor":"#000000","contrastBlack":6.22,"contrastWhite":3.38,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Sienna adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a54131.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/brown.json","https://www.colorsencyclopedia.com/api/colors/red-clay.json"]}
Harmonies
{"complementary":"#3196A5","analogous":["#A5315C","#A57B31"],"triadic":["#31A541","#4131A5"],"tetradic":["#5CA531","#3196A5","#7B31A5"],"splitComplementary":["#31A57B","#315CA5"],"monochromatic":["#D07162","#A54131","#5E251C"]}
Variants
{"light":"#D07162","dark":"#5E251C","saturated":"#BC2F1A","desaturated":"#8D5249","pastel":"#CC938A","neon":"#FF2200"}
Nearest named colors
[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":18.16590212458495},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":24.041630560342615},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":31.160872901765767},{"slug":"brick-red","name":"Brick Red","hex":"#8A3324","distance":33.075670817082454},{"slug":"burnt-umber","name":"Burnt Umber","hex":"#8A3324","distance":33.075670817082454}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A54131

#A54131 is classified as a warm red value with balanced visual character. #A54131 is visually closest to Sienna, a named orange color with HEX #A0522D.

The RGB channels are 165, 65, and 49, with red carrying the strongest channel weight. In HSL, the hue is 8deg with 54% saturation and 42% lightness, so this page treats it as a moderate-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-attention visual states. Its luminance is 0.12, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.17, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.4:1AA Fail
White text6.18:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A54131 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.4:1 · Fail
White text#FFFFFF6.18:1 · AA

Accessible Alternatives

#5E251C#FFFFFF text · best 11.95:1#5E251C
Burnt Umber#FFFFFF text · best 8.14:1#8A3324
Brown#FFFFFF text · best 7.09:1#A52A2A
#A5315C#FFFFFF text · best 6.57:1#A5315C
#D07162#000000 text · best 6.22:1#D07162

Generated Palette

#A54131#A54131
#3196A5#3196A5
#A5315C#A5315C
#A57B31#A57B31
#D07162#D07162
#5E251C#5E251C

Color Harmonies

#3196A5#3196A5
#A5315C#A5315C
#A57B31#A57B31
#31A541#31A541
#4131A5#4131A5

Variants

#D07162#D07162
#5E251C#5E251C
#BC2F1A#BC2F1A
#8D5249#8D5249
#CC938A#CC938A
#FF2200#FF2200

Nearest Named Colors

Sienna#A0522D
Brown#A52A2A
Red Clay#B45A3C
Brick Red#8A3324
Burnt Umber#8A3324

Related HEX Guides

Sienna colorOpen the nearest named color reference for #A0522D.Brown colorOpen the nearest named color reference for #A52A2A.Red Clay colorOpen the nearest named color reference for #B45A3C.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced 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.#A54131 APIOpen the machine-readable JSON record for this HEX value.