Colors Encyclopedia

HEX atlas value

#A55C09

#A55C09 is a warm orange HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 165, 92, 9, HSL 32, 90%, 34%, has luminance 0.1567, and belongs to the balanced group.

orangewarmbalanced
#A55C09 Sample readable text
HEX #A55C09
RGB rgb(165, 92, 9)
HSL hsl(32 90% 34%)
CMYK cmyk(0, 44, 95, 35)
Luminance 0.1567
Contrast Black 4.13:1White 5.08:1

CSS

--color-a55c09: #A55C09;
.background-a55c09 { background-color: #A55C09; }
.text-a55c09 { color: #A55C09; }

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
Luminance0.1567
Black text4.13:1AA Fail
White text5.08:1AA 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":"#A55C09","rgb":[165,92,9],"hsl":[32,90,34],"cmyk":[0,44,95,35],"luminance":0.1567,"contrast":{"black":4.13,"white":5.08}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.13,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.08,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#4E2B04","hex":"#4E2B04","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.67,"contrastWhite":12.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#F38C16","hex":"#F38C16","family":"orange","bestTextColor":"#000000","contrastBlack":8.57,"contrastWhite":2.45,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A50E09","hex":"#A50E09","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.67,"contrastWhite":7.88,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#A0A509","hex":"#A0A509","family":"yellow","bestTextColor":"#000000","contrastBlack":7.88,"contrastWhite":2.66,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#0951A5","hex":"#0951A5","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.73,"contrastWhite":7.69,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm orange","balanced","balanced orange","Rust adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a55c09.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/saddle-brown.json","https://www.colorsencyclopedia.com/api/colors/sienna.json"]}
Harmonies
{"complementary":"#0951A5","analogous":["#A50E09","#A0A509"],"triadic":["#09A55C","#5C09A5"],"tetradic":["#09A50E","#0951A5","#A509A0"],"splitComplementary":["#09A0A5","#0E09A5"],"monochromatic":["#F38C16","#A55C09","#4E2B04"]}
Variants
{"light":"#F38C16","dark":"#4E2B04","saturated":"#AD5C00","desaturated":"#925B1C","pastel":"#E59C48","neon":"#D67200"}
Nearest named colors
[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":32.83291031876401},{"slug":"saddle-brown","name":"Saddle Brown","hex":"#8B4513","distance":36.124783736376884},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":37.69615364994153},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":39.92492955535426},{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":40.63249930782009}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A55C09

#A55C09 is classified as a warm orange value with balanced visual character. #A55C09 is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 165, 92, and 9, with red carrying the strongest channel weight. In HSL, the hue is 32deg with 90% 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 0.1567, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.83, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.13:1AA Fail
White text5.08:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A55C09 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.13:1 · Fail
White text#FFFFFF5.08:1 · AA

Accessible Alternatives

#4E2B04#FFFFFF text · best 12.56:1#4E2B04
#F38C16#000000 text · best 8.57:1#F38C16
#A50E09#FFFFFF text · best 7.88:1#A50E09
#A0A509#000000 text · best 7.88:1#A0A509
#0951A5#FFFFFF text · best 7.69:1#0951A5

Generated Palette

#A55C09#A55C09
#0951A5#0951A5
#A50E09#A50E09
#A0A509#A0A509
#F38C16#F38C16
#4E2B04#4E2B04

Color Harmonies

#0951A5#0951A5
#A50E09#A50E09
#A0A509#A0A509
#09A55C#09A55C
#5C09A5#5C09A5

Variants

#F38C16#F38C16
#4E2B04#4E2B04
#AD5C00#AD5C00
#925B1C#925B1C
#E59C48#E59C48
#D67200#D67200

Nearest Named Colors

Rust#B7410E
Saddle Brown#8B4513
Sienna#A0522D
Mahogany#C04000
Burnt Orange#CC5500

Related HEX Guides

Rust colorOpen the nearest named color reference for #B7410E.Saddle Brown colorOpen the nearest named color reference for #8B4513.Sienna colorOpen the nearest named color reference for #A0522D.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.#A55C09 APIOpen the machine-readable JSON record for this HEX value.