Colors Encyclopedia

HEX atlas value

#A0370E

#A0370E is a warm orange HEX color close to Pompeian Red. According to Colors Encyclopedia, it converts to RGB 160, 55, 14, HSL 17, 84%, 34%, has luminance 0.1024, and belongs to the balanced group.

orangewarmbalanced
#A0370E Sample readable text
HEX #A0370E
RGB rgb(160, 55, 14)
HSL hsl(17 84% 34%)
CMYK cmyk(0, 66, 91, 37)
Luminance 0.1024
Contrast Black 3.05:1White 6.89:1

CSS

--color-a0370e: #A0370E;
.background-a0370e { background-color: #A0370E; }
.text-a0370e { color: #A0370E; }

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
Luminance0.1024
Black text3.05:1AA Fail
White text6.89:1AA 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":"#A0370E","rgb":[160,55,14],"hsl":[17,84,34],"cmyk":[0,66,91,37],"luminance":0.1024,"contrast":{"black":3.05,"white":6.89}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.05,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.89,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#4B1A07","hex":"#4B1A07","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.45,"contrastWhite":14.48,"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":"#A00E2D","hex":"#A00E2D","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.6,"contrastWhite":8.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#8C3F21","hex":"#8C3F21","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.85,"contrastWhite":7.37,"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"]}]
AI context
{"semanticGroups":["warm orange","balanced","balanced orange","Pompeian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a0370e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/pompeian-red.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/saddle-brown.json"]}
Harmonies
{"complementary":"#0E76A0","analogous":["#A00E2D","#A0800E"],"triadic":["#0EA037","#370EA0"],"tetradic":["#2DA00E","#0E76A0","#800EA0"],"splitComplementary":["#0EA080","#0E2DA0"],"monochromatic":["#EB581E","#A0370E","#4B1A07"]}
Variants
{"light":"#EB581E","dark":"#4B1A07","saturated":"#AD3100","desaturated":"#8C3F21","pastel":"#DF774E","neon":"#D63D00"}
Nearest named colors
[{"slug":"pompeian-red","name":"Pompeian Red","hex":"#A42A04","distance":16.881943016134134},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":25.079872407968907},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":25.729360660537214},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":31.272991542223778},{"slug":"brick-red","name":"Brick Red","hex":"#8A3324","distance":31.368774282716245}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A0370E

#A0370E is classified as a warm orange value with balanced visual character. #A0370E is visually closest to Pompeian Red, a named red color with HEX #A42A04.

The RGB channels are 160, 55, and 14, with red carrying the strongest channel weight. In HSL, the hue is 17deg with 84% 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, and CSS color tokens. Its luminance is 0.1024, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.88, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.05:1AA Fail
White text6.89:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A0370E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.05:1 · Fail
White text#FFFFFF6.89:1 · AA

Accessible Alternatives

#4B1A07#FFFFFF text · best 14.48:1#4B1A07
Burnt Umber#FFFFFF text · best 8.14:1#8A3324
#A00E2D#FFFFFF text · best 8.09:1#A00E2D
#8C3F21#FFFFFF text · best 7.37:1#8C3F21
Pompeian Red#FFFFFF text · best 7.21:1#A42A04

Generated Palette

#A0370E#A0370E
#0E76A0#0E76A0
#A00E2D#A00E2D
#A0800E#A0800E
#EB581E#EB581E
#4B1A07#4B1A07

Color Harmonies

#0E76A0#0E76A0
#A00E2D#A00E2D
#A0800E#A0800E
#0EA037#0EA037
#370EA0#370EA0

Variants

#EB581E#EB581E
#4B1A07#4B1A07
#AD3100#AD3100
#8C3F21#8C3F21
#DF774E#DF774E
#D63D00#D63D00

Nearest Named Colors

Pompeian Red#A42A04
Rust#B7410E
Saddle Brown#8B4513
Brown#A52A2A
Brick Red#8A3324

Related HEX Guides

Pompeian Red colorOpen the nearest named color reference for #A42A04.Rust colorOpen the nearest named color reference for #B7410E.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.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.#A0370E APIOpen the machine-readable JSON record for this HEX value.