HEX atlas value

#C55F11

#C55F11 is a warm orange HEX color close to Burnt Orange. According to Colors Encyclopedia, it converts to RGB 197, 95, 17, HSL 26, 84%, 42%, has luminance 0.201, and belongs to the vibrant group.

#C55F11 Sample readable text
HEX #C55F11
RGB rgb(197, 95, 17)
HSL hsl(26 84% 42%)
CMYK cmyk(0, 52, 91, 23)
Luminance 0.201
Contrast Black 5.02:1White 4.18:1

CSS

--color-c55f11: #C55F11;
.background-c55f11 { background-color: #C55F11; }
.text-c55f11 { color: #C55F11; }

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
Luminance0.201
Black text5.02:1AA Pass
White text4.18:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#C55F11","rgb":[197,95,17],"hsl":[26,84,42],"cmyk":[0,52,91,23],"luminance":0.201,"contrast":{"black":5.02,"white":4.18}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.02,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.18,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#C5B911","hex":"#C5B911","family":"yellow","bestTextColor":"#000000","contrastBlack":10.32,"contrastWhite":2.03,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#71360A","hex":"#71360A","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.23,"contrastWhite":9.4,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#EF8E43","hex":"#EF8E43","family":"orange","bestTextColor":"#000000","contrastBlack":8.62,"contrastWhite":2.44,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Ochre","hex":"#CC7722","family":"orange","bestTextColor":"#000000","contrastBlack":6.23,"contrastWhite":3.37,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#C5111D","hex":"#C5111D","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.47,"contrastWhite":6.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Burnt Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/c55f11.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json","https://www.colorsencyclopedia.com/api/colors/chocolate.json","https://www.colorsencyclopedia.com/api/colors/cinnamon.json"]}
Harmonies
{"complementary":"#1177C5","analogous":["#C5111D","#C5B911"],"triadic":["#11C55F","#5F11C5"],"tetradic":["#1DC511","#1177C5","#B911C5"],"splitComplementary":["#11C5B9","#111DC5"],"monochromatic":["#EF8E43","#C55F11","#71360A"]}
Variants
{"light":"#EF8E43","dark":"#71360A","saturated":"#D65D00","desaturated":"#AE6229","pastel":"#E5A371","neon":"#FF6E00"}
Nearest named colors
[{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":20.92844953645635},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":20.92844953645635},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":20.92844953645635},{"slug":"ochre","name":"Ochre","hex":"#CC7722","distance":30.23243291566195},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":33.24154027718932}]

HEX meaning and use

About #C55F11

#C55F11 is classified as a warm orange value with vibrant visual character. #C55F11 is visually closest to Burnt Orange, a named orange color with HEX #CC5500.

The RGB channels are 197, 95, and 17, with red carrying the strongest channel weight. In HSL, the hue is 26deg 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 0.201, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.93, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.02:1AA Pass
White text4.18:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C55F11 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.02:1 · AA
White text#FFFFFF4.18:1 · Fail

Accessible Alternatives

#C5B911#000000 text · best 10.32:1#C5B911
#71360A#FFFFFF text · best 9.4:1#71360A
#EF8E43#000000 text · best 8.62:1#EF8E43
Ochre#000000 text · best 6.23:1#CC7722
#C5111D#FFFFFF text · best 6.05:1#C5111D

Generated Palette

#C55F11#C55F11
#1177C5#1177C5
#C5111D#C5111D
#C5B911#C5B911
#EF8E43#EF8E43
#71360A#71360A

Color Harmonies

#1177C5#1177C5
#C5111D#C5111D
#C5B911#C5B911
#11C55F#11C55F
#5F11C5#5F11C5

Variants

#EF8E43#EF8E43
#71360A#71360A
#D65D00#D65D00
#AE6229#AE6229
#E5A371#E5A371
#FF6E00#FF6E00

Nearest Named Colors