HEX atlas value

#C54D11

#C54D11 is a warm orange HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 197, 77, 17, HSL 20, 84%, 42%, has luminance 0.1722, and belongs to the vibrant group.

#C54D11 Sample readable text
HEX #C54D11
RGB rgb(197, 77, 17)
HSL hsl(20 84% 42%)
CMYK cmyk(0, 61, 91, 23)
Luminance 0.1722
Contrast Black 4.44:1White 4.73:1

CSS

--color-c54d11: #C54D11;
.background-c54d11 { background-color: #C54D11; }
.text-c54d11 { color: #C54D11; }

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
Luminance0.1722
Black text4.44:1AA Fail
White text4.73:1AA 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":"#C54D11","rgb":[197,77,17],"hsl":[20,84,42],"cmyk":[0,61,91,23],"luminance":0.1722,"contrast":{"black":4.44,"white":4.73}}
WCAG
{"AA":["#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.44,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.73,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#712C0A","hex":"#712C0A","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.07,"contrastWhite":10.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#C5A711","hex":"#C5A711","family":"yellow","bestTextColor":"#000000","contrastBlack":8.91,"contrastWhite":2.36,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EF7C43","hex":"#EF7C43","family":"orange","bestTextColor":"#000000","contrastBlack":7.63,"contrastWhite":2.75,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#C5112F","hex":"#C5112F","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.5,"contrastWhite":6.01,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"Cinnamon","hex":"#D2691E","family":"orange","bestTextColor":"#000000","contrastBlack":5.78,"contrastWhite":3.63,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Rust adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/c54d11.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json"]}
Harmonies
{"complementary":"#1189C5","analogous":["#C5112F","#C5A711"],"triadic":["#11C54D","#4D11C5"],"tetradic":["#2FC511","#1189C5","#A711C5"],"splitComplementary":["#11C5A7","#112FC5"],"monochromatic":["#EF7C43","#C54D11","#712C0A"]}
Variants
{"light":"#EF7C43","dark":"#712C0A","saturated":"#D64700","desaturated":"#AE5529","pastel":"#E59771","neon":"#FF5500"}
Nearest named colors
[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":18.681541692269406},{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":20.049937655763422},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":21.97726097583591},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":33.49626844888845},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":33.49626844888845}]

HEX meaning and use

About #C54D11

#C54D11 is classified as a warm orange value with vibrant visual character. #C54D11 is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 197, 77, and 17, with red carrying the strongest channel weight. In HSL, the hue is 20deg with 84% saturation and 42% 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, CSS color tokens, and high-energy accents. Its luminance is 0.1722, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.68, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.44:1AA Fail
White text4.73:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C54D11 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.44:1 · Fail
White text#FFFFFF4.73:1 · AA

Accessible Alternatives

#712C0A#FFFFFF text · best 10.16:1#712C0A
#C5A711#000000 text · best 8.91:1#C5A711
#EF7C43#000000 text · best 7.63:1#EF7C43
#C5112F#FFFFFF text · best 6.01:1#C5112F
Cinnamon#000000 text · best 5.78:1#D2691E

Generated Palette

#C54D11#C54D11
#1189C5#1189C5
#C5112F#C5112F
#C5A711#C5A711
#EF7C43#EF7C43
#712C0A#712C0A

Color Harmonies

#1189C5#1189C5
#C5112F#C5112F
#C5A711#C5A711
#11C54D#11C54D
#4D11C5#4D11C5

Variants

#EF7C43#EF7C43
#712C0A#712C0A
#D64700#D64700
#AE5529#AE5529
#E59771#E59771
#FF5500#FF5500

Nearest Named Colors