Colors Encyclopedia

HEX atlas value

#A0522D

#A0522D is a warm orange HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 160, 82, 45, HSL 19, 56%, 40%, has luminance 0.137, and belongs to the earth tone group.

orangewarmearth-tone
#A0522D Sample readable text
HEX #A0522D
RGB rgb(160, 82, 45)
HSL hsl(19 56% 40%)
CMYK cmyk(0, 49, 72, 37)
Luminance 0.137
Contrast Black 3.74:1White 5.61:1

CSS

--color-a0522d: #A0522D;
.background-a0522d { background-color: #A0522D; }
.text-a0522d { color: #A0522D; }

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
Luminance0.137
Black text3.74:1AA Fail
White text5.61:1AA 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":"#A0522D","rgb":[160,82,45],"hsl":[19,56,40],"cmyk":[0,49,72,37],"luminance":0.137,"contrast":{"black":3.74,"white":5.61}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.74,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.61,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#582D19","hex":"#582D19","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.8,"contrastWhite":11.64,"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":"#9F2D42","hex":"#9F2D42","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.93,"contrastWhite":7.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Saddle Brown","hex":"#8B4513","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.1,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#D07E58","hex":"#D07E58","family":"orange","bestTextColor":"#000000","contrastBlack":6.81,"contrastWhite":3.08,"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/a0522d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/cedar.json","https://www.colorsencyclopedia.com/api/colors/red-clay.json"]}
Harmonies
{"complementary":"#2D7B9F","analogous":["#9F2D42","#9F8A2D"],"triadic":["#2D9F51","#512D9F"],"tetradic":["#429F2D","#2D7B9F","#8A2D9F"],"splitComplementary":["#2D9F8A","#2D429F"],"monochromatic":["#D07E58","#A0522D","#582D19"]}
Variants
{"light":"#D07E58","dark":"#582D19","saturated":"#B64916","desaturated":"#895943","pastel":"#CA9881","neon":"#F54E00"}
Nearest named colors
[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":0},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":22.561028345356956},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":26.248809496813376},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":35.86084215408221},{"slug":"brick-red","name":"Brick Red","hex":"#8A3324","distance":39.06404996924922}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A0522D

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

The RGB channels are 160, 82, and 45, with red carrying the strongest channel weight. In HSL, the hue is 19deg with 56% saturation and 40% 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 0.137, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.74:1AA Fail
White text5.61:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A0522D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.74:1 · Fail
White text#FFFFFF5.61:1 · AA

Accessible Alternatives

#582D19#FFFFFF text · best 11.64:1#582D19
Burnt Umber#FFFFFF text · best 8.14:1#8A3324
#9F2D42#FFFFFF text · best 7.17:1#9F2D42
Saddle Brown#FFFFFF text · best 7.1:1#8B4513
#D07E58#000000 text · best 6.81:1#D07E58

Generated Palette

Sienna#A0522D
#2D7B9F#2D7B9F
#9F2D42#9F2D42
#9F8A2D#9F8A2D
#D07E58#D07E58
#582D19#582D19

Color Harmonies

#2D7B9F#2D7B9F
#9F2D42#9F2D42
#9F8A2D#9F8A2D
#2D9F51#2D9F51
#512D9F#512D9F

Variants

#D07E58#D07E58
#582D19#582D19
#B64916#B64916
#895943#895943
#CA9881#CA9881
#F54E00#F54E00

Nearest Named Colors

Sienna#A0522D
Cedar#8B5A2B
Red Clay#B45A3C
Saddle Brown#8B4513
Brick Red#8A3324

Related HEX Guides

Sienna colorOpen the nearest named color reference for #A0522D.Cedar colorOpen the nearest named color reference for #8B5A2B.Red Clay colorOpen the nearest named color reference for #B45A3C.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.#A0522D APIOpen the machine-readable JSON record for this HEX value.