HEX atlas value

#A57B31

#A57B31 is a warm orange HEX color close to Copper. According to Colors Encyclopedia, it converts to RGB 165, 123, 49, HSL 38, 54%, 42%, has luminance 0.2239, and belongs to the earth tone group.

orange warm earth-tone

#A57B31 Sample readable text

HEX #A57B31

RGB rgb(165, 123, 49)

HSL hsl(38 54% 42%)

CMYK cmyk(0, 25, 70, 35)

Luminance 0.2239

Contrast Black 5.48:1White 3.83:1

CSS

--color-a57b31: #A57B31;
.background-a57b31 { background-color: #A57B31; }
.text-a57b31 { color: #A57B31; }

Luminance0.2239

Black text5.48:1AA Pass

White text3.83:1AA Fail

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

Structured sections

Color systems

{"hex":"#A57B31","rgb":[165,123,49],"hsl":[38,54,42],"cmyk":[0,25,70,35],"luminance":0.2239,"contrast":{"black":5.48,"white":3.83}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.48,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.83,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#D0A862","hex":"#D0A862","family":"orange","bestTextColor":"#000000","contrastBlack":9.46,"contrastWhite":2.22,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#5E461C","hex":"#5E461C","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.37,"contrastWhite":8.87,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#96A531","hex":"#96A531","family":"yellow","bestTextColor":"#000000","contrastBlack":7.72,"contrastWhite":2.72,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#315CA5","hex":"#315CA5","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":3.2,"contrastWhite":6.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#BC811A","hex":"#BC811A","family":"orange","bestTextColor":"#000000","contrastBlack":6.29,"contrastWhite":3.34,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm orange","earth tone","earth tone orange","Copper adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a57b31.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/copper.json","https://www.colorsencyclopedia.com/api/colors/polished-copper.json","https://www.colorsencyclopedia.com/api/colors/oak.json"]}

Harmonies

{"complementary":"#315CA5","analogous":["#A54131","#96A531"],"triadic":["#31A57B","#7B31A5"],"tetradic":["#31A541","#315CA5","#A53196"],"splitComplementary":["#3196A5","#4131A5"],"monochromatic":["#D0A862","#A57B31","#5E461C"]}

Variants

{"light":"#D0A862","dark":"#5E461C","saturated":"#BC811A","desaturated":"#8D7449","pastel":"#CCB48A","neon":"#FFA200"}

Nearest named colors

[{"slug":"copper","name":"Copper","hex":"#B87333","distance":20.71231517720798},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":20.71231517720798},{"slug":"oak","name":"Oak","hex":"#A8754F","distance":30.740852297878796},{"slug":"caramel","name":"Caramel","hex":"#AF6E4D","distance":32.449961479175904},{"slug":"desert-clay","name":"Desert Clay","hex":"#B86D4B","distance":35.11409973215888}]

HEX meaning and use

About #A57B31

#A57B31 is classified as a warm orange value with earth tone visual character. #A57B31 is visually closest to Copper, a named orange color with HEX #B87333.

The RGB channels are 165, 123, and 49, with red carrying the strongest channel weight. In HSL, the hue is 38deg 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 0.2239, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.71, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.48:1AA Pass

White text3.83:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A57B31 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.48:1 · AA

White text#FFFFFF3.83:1 · Fail

Accessible Alternatives

#D0A862#000000 text · best 9.46:1#D0A862

#5E461C#FFFFFF text · best 8.87:1#5E461C

#96A531#000000 text · best 7.72:1#96A531

#315CA5#FFFFFF text · best 6.55:1#315CA5

#BC811A#000000 text · best 6.29:1#BC811A

Generated Palette

#A57B31#A57B31

#315CA5#315CA5

#A54131#A54131

#96A531#96A531

#D0A862#D0A862

#5E461C#5E461C

Color Harmonies

#315CA5#315CA5

#A54131#A54131

#96A531#96A531

#31A57B#31A57B

#7B31A5#7B31A5

Variants

#D0A862#D0A862

#5E461C#5E461C

#BC811A#BC811A

#8D7449#8D7449

#CCB48A#CCB48A

#FFA200#FFA200

Nearest Named Colors

Copper#B87333

Polished Copper#B87333

Oak#A8754F

Caramel#AF6E4D

Desert Clay#B86D4B

#A57B31

CSS

Machine-Readable HEX Data (JSON)

About #A57B31

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides