Colors Encyclopedia

HEX atlas value

#A55031

#A55031 is a warm orange HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 165, 80, 49, HSL 16, 54%, 42%, has luminance 0.1396, and belongs to the earth tone group.

orangewarmearth-tone
#A55031 Sample readable text
HEX #A55031
RGB rgb(165, 80, 49)
HSL hsl(16 54% 42%)
CMYK cmyk(0, 52, 70, 35)
Luminance 0.1396
Contrast Black 3.79:1White 5.54:1

CSS

--color-a55031: #A55031;
.background-a55031 { background-color: #A55031; }
.text-a55031 { color: #A55031; }

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
Luminance0.1396
Black text3.79:1AA Fail
White text5.54:1AA 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":"#A55031","rgb":[165,80,49],"hsl":[16,54,42],"cmyk":[0,52,70,35],"luminance":0.1396,"contrast":{"black":3.79,"white":5.54}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.79,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.54,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#5E2E1C","hex":"#5E2E1C","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.88,"contrastWhite":11.15,"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":"#D07F62","hex":"#D07F62","family":"orange","bestTextColor":"#000000","contrastBlack":6.89,"contrastWhite":3.05,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#A5314C","hex":"#A5314C","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#A58A31","hex":"#A58A31","family":"yellow","bestTextColor":"#000000","contrastBlack":6.28,"contrastWhite":3.34,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","earth tone","earth tone orange","Sienna adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a55031.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/red-clay.json","https://www.colorsencyclopedia.com/api/colors/cedar.json"]}
Harmonies
{"complementary":"#3186A5","analogous":["#A5314C","#A58A31"],"triadic":["#31A550","#5031A5"],"tetradic":["#4CA531","#3186A5","#8A31A5"],"splitComplementary":["#31A58A","#314CA5"],"monochromatic":["#D07F62","#A55031","#5E2E1C"]}
Variants
{"light":"#D07F62","dark":"#5E2E1C","saturated":"#BC451A","desaturated":"#8D5B49","pastel":"#CC9C8A","neon":"#FF4400"}
Nearest named colors
[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":6.708203932499369},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":21.118712081942874},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":28.495613697550013},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":38.63935817272331},{"slug":"copper","name":"Copper","hex":"#B87333","distance":39.87480407475377}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A55031

#A55031 is classified as a warm orange value with earth tone visual character. #A55031 is visually closest to Sienna, a named orange color with HEX #A0522D.

The RGB channels are 165, 80, and 49, with red carrying the strongest channel weight. In HSL, the hue is 16deg 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 natural palettes. Its luminance is 0.1396, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 6.71, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.79:1AA Fail
White text5.54:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A55031 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.79:1 · Fail
White text#FFFFFF5.54:1 · AA

Accessible Alternatives

#5E2E1C#FFFFFF text · best 11.15:1#5E2E1C
Brown#FFFFFF text · best 7.09:1#A52A2A
#D07F62#000000 text · best 6.89:1#D07F62
#A5314C#FFFFFF text · best 6.68:1#A5314C
#A58A31#000000 text · best 6.28:1#A58A31

Generated Palette

#A55031#A55031
#3186A5#3186A5
#A5314C#A5314C
#A58A31#A58A31
#D07F62#D07F62
#5E2E1C#5E2E1C

Color Harmonies

#3186A5#3186A5
#A5314C#A5314C
#A58A31#A58A31
#31A550#31A550
#5031A5#5031A5

Variants

#D07F62#D07F62
#5E2E1C#5E2E1C
#BC451A#BC451A
#8D5B49#8D5B49
#CC9C8A#CC9C8A
#FF4400#FF4400

Nearest Named Colors

Sienna#A0522D
Red Clay#B45A3C
Cedar#8B5A2B
Brown#A52A2A
Copper#B87333

Related HEX Guides

Sienna colorOpen the nearest named color reference for #A0522D.Red Clay colorOpen the nearest named color reference for #B45A3C.Cedar colorOpen the nearest named color reference for #8B5A2B.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Earth Tone colorsFind colors in the earth tone 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.#A55031 APIOpen the machine-readable JSON record for this HEX value.