Colors Encyclopedia

HEX atlas value

#A55E31

#A55E31 is a warm orange HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 165, 94, 49, HSL 23, 54%, 42%, has luminance 0.1623, and belongs to the earth tone group.

orangewarmearth-tone
#A55E31 Sample readable text
HEX #A55E31
RGB rgb(165, 94, 49)
HSL hsl(23 54% 42%)
CMYK cmyk(0, 43, 70, 35)
Luminance 0.1623
Contrast Black 4.25:1White 4.95:1

CSS

--color-a55e31: #A55E31;
.background-a55e31 { background-color: #A55E31; }
.text-a55e31 { color: #A55E31; }

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
Luminance0.1623
Black text4.25:1AA Fail
White text4.95:1AA 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":"#A55E31","rgb":[165,94,49],"hsl":[23,54,42],"cmyk":[0,43,70,35],"luminance":0.1623,"contrast":{"black":4.25,"white":4.95}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.25,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.95,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#5E351C","hex":"#5E351C","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2,"contrastWhite":10.49,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D08C62","hex":"#D08C62","family":"orange","bestTextColor":"#000000","contrastBlack":7.61,"contrastWhite":2.76,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A59731","hex":"#A59731","family":"yellow","bestTextColor":"#000000","contrastBlack":7.07,"contrastWhite":2.97,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A5313F","hex":"#A5313F","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.11,"contrastWhite":6.75,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"Cedar","hex":"#8B5A2B","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":3.6,"contrastWhite":5.84,"wcagAA":["#FFFFFF","#F5F5F5"],"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/a55e31.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":"#3179A5","analogous":["#A5313F","#A59731"],"triadic":["#31A55E","#5E31A5"],"tetradic":["#3FA531","#3179A5","#9731A5"],"splitComplementary":["#31A597","#313FA5"],"monochromatic":["#D08C62","#A55E31","#5E351C"]}
Variants
{"light":"#D08C62","dark":"#5E351C","saturated":"#BC581A","desaturated":"#8D6349","pastel":"#CCA38A","neon":"#FF6200"}
Nearest named colors
[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":13.601470508735444},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":19.026297590440446},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":26.981475126464083},{"slug":"copper","name":"Copper","hex":"#B87333","distance":28.39013913315678},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":28.39013913315678}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A55E31

#A55E31 is classified as a warm orange value with earth tone visual character. #A55E31 is visually closest to Sienna, a named orange color with HEX #A0522D.

The RGB channels are 165, 94, and 49, with red carrying the strongest channel weight. In HSL, the hue is 23deg 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 0.1623, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.60, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.25:1AA Fail
White text4.95:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A55E31 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.25:1 · Fail
White text#FFFFFF4.95:1 · AA

Accessible Alternatives

#5E351C#FFFFFF text · best 10.49:1#5E351C
#D08C62#000000 text · best 7.61:1#D08C62
#A59731#000000 text · best 7.07:1#A59731
#A5313F#FFFFFF text · best 6.75:1#A5313F
Cedar#FFFFFF text · best 5.84:1#8B5A2B

Generated Palette

#A55E31#A55E31
#3179A5#3179A5
#A5313F#A5313F
#A59731#A59731
#D08C62#D08C62
#5E351C#5E351C

Color Harmonies

#3179A5#3179A5
#A5313F#A5313F
#A59731#A59731
#31A55E#31A55E
#5E31A5#5E31A5

Variants

#D08C62#D08C62
#5E351C#5E351C
#BC581A#BC581A
#8D6349#8D6349
#CCA38A#CCA38A
#FF6200#FF6200

Nearest Named Colors

Sienna#A0522D
Red Clay#B45A3C
Cedar#8B5A2B
Copper#B87333
Polished 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.#A55E31 APIOpen the machine-readable JSON record for this HEX value.