HEX atlas value

#A52309

#A52309 is a warm red HEX color close to Pompeian Red. According to Colors Encyclopedia, it converts to RGB 165, 35, 9, HSL 10, 90%, 34%, has luminance 0.0922, and belongs to the balanced group.

#A52309 Sample readable text
HEX #A52309
RGB rgb(165, 35, 9)
HSL hsl(10 90% 34%)
CMYK cmyk(0, 79, 95, 35)
Luminance 0.0922
Contrast Black 2.84:1White 7.38:1

CSS

--color-a52309: #A52309;
.background-a52309 { background-color: #A52309; }
.text-a52309 { color: #A52309; }

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
Luminance0.0922
Black text2.84:1AA Fail
White text7.38:1AA 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":"#A52309","rgb":[165,35,9],"hsl":[10,90,34],"cmyk":[0,79,95,35],"luminance":0.0922,"contrast":{"black":2.84,"white":7.38}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":2.84,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":7.38,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"#4E1004","hex":"#4E1004","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.4,"contrastWhite":15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Ruby Red","hex":"#9B111E","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.49,"contrastWhite":8.43,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#922F1C","hex":"#922F1C","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.65,"contrastWhite":7.94,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#A5093D","hex":"#A5093D","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.71,"contrastWhite":7.76,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Pompeian Red","hex":"#A42A04","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]
AI context
{"semanticGroups":["warm red","balanced","balanced red","Pompeian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a52309.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/pompeian-red.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json","https://www.colorsencyclopedia.com/api/colors/ruby-red.json"]}
Harmonies
{"complementary":"#098BA5","analogous":["#A5093D","#A57109"],"triadic":["#09A523","#2309A5"],"tetradic":["#3DA509","#098BA5","#7109A5"],"splitComplementary":["#09A571","#093DA5"],"monochromatic":["#F33B16","#A52309","#4E1004"]}
Variants
{"light":"#F33B16","dark":"#4E1004","saturated":"#AD1D00","desaturated":"#922F1C","pastel":"#E56248","neon":"#D62400"}
Nearest named colors
[{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":8.660254037844387},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":28.19574435974337},{"slug":"ruby-red","name":"Ruby Red","hex":"#9B111E","distance":29.410882339705484},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":33.734255586866},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":35.34119409414458}]

HEX meaning and use

About #A52309

#A52309 is classified as a warm red value with balanced visual character. #A52309 is visually closest to Pompeian Red, a named red color with HEX #A42A04.

The RGB channels are 165, 35, and 9, with red carrying the strongest channel weight. In HSL, the hue is 10deg with 90% saturation and 34% 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-attention visual states. Its luminance is 0.0922, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 8.66, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.84:1AA Fail
White text7.38:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A52309 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.84:1 · Fail
White text#FFFFFF7.38:1 · AAA

Accessible Alternatives

#4E1004#FFFFFF text · best 15:1#4E1004
Ruby Red#FFFFFF text · best 8.43:1#9B111E
#922F1C#FFFFFF text · best 7.94:1#922F1C
#A5093D#FFFFFF text · best 7.76:1#A5093D
Pompeian Red#FFFFFF text · best 7.21:1#A42A04

Generated Palette

#A52309#A52309
#098BA5#098BA5
#A5093D#A5093D
#A57109#A57109
#F33B16#F33B16
#4E1004#4E1004

Color Harmonies

#098BA5#098BA5
#A5093D#A5093D
#A57109#A57109
#09A523#09A523
#2309A5#2309A5

Variants

#F33B16#F33B16
#4E1004#4E1004
#AD1D00#AD1D00
#922F1C#922F1C
#E56248#E56248
#D62400#D62400

Nearest Named Colors