HEX atlas value

#C55311

#C55311 is a warm orange HEX color close to Burnt Orange. According to Colors Encyclopedia, it converts to RGB 197, 83, 17, HSL 22, 84%, 42%, has luminance 0.181, and belongs to the vibrant group.

orange warm vibrant

#C55311 Sample readable text

HEX #C55311

RGB rgb(197, 83, 17)

HSL hsl(22 84% 42%)

CMYK cmyk(0, 58, 91, 23)

Luminance 0.181

Contrast Black 4.62:1White 4.55:1

CSS

--color-c55311: #C55311;
.background-c55311 { background-color: #C55311; }
.text-c55311 { color: #C55311; }

Luminance0.181

Black text4.62:1AA Pass

White text4.55:1AA 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

Structured sections

Color systems

{"hex":"#C55311","rgb":[197,83,17],"hsl":[22,84,42],"cmyk":[0,58,91,23],"luminance":0.181,"contrast":{"black":4.62,"white":4.55}}

WCAG

{"AA":["#000000","#FFFFFF"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.62,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.55,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#712F0A","hex":"#712F0A","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.11,"contrastWhite":9.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#C5AD11","hex":"#C5AD11","family":"yellow","bestTextColor":"#000000","contrastBlack":9.36,"contrastWhite":2.24,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EF8243","hex":"#EF8243","family":"orange","bestTextColor":"#000000","contrastBlack":7.94,"contrastWhite":2.64,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#C51129","hex":"#C51129","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.49,"contrastWhite":6.02,"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","Burnt Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/c55311.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json"]}

Harmonies

{"complementary":"#1183C5","analogous":["#C51129","#C5AD11"],"triadic":["#11C553","#5311C5"],"tetradic":["#29C511","#1183C5","#AD11C5"],"splitComplementary":["#11C5AD","#1129C5"],"monochromatic":["#EF8243","#C55311","#712F0A"]}

Variants

{"light":"#EF8243","dark":"#712F0A","saturated":"#D64F00","desaturated":"#AE5929","pastel":"#E59B71","neon":"#FF5E00"}

Nearest named colors

[{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":18.49324200890693},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":23},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":25.98076211353316},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":28.6705423736629},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":28.6705423736629}]

HEX meaning and use

About #C55311

#C55311 is classified as a warm orange value with vibrant visual character. #C55311 is visually closest to Burnt Orange, a named orange color with HEX #CC5500.

The RGB channels are 197, 83, and 17, with red carrying the strongest channel weight. In HSL, the hue is 22deg 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 0.181, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.49, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.62:1AA Pass

White text4.55:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C55311 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.62:1 · AA

White text#FFFFFF4.55:1 · AA

Accessible Alternatives

#712F0A#FFFFFF text · best 9.93:1#712F0A

#C5AD11#000000 text · best 9.36:1#C5AD11

#EF8243#000000 text · best 7.94:1#EF8243

#C51129#FFFFFF text · best 6.02:1#C51129

Cinnamon#000000 text · best 5.78:1#D2691E

Generated Palette

#C55311#C55311

#1183C5#1183C5

#C51129#C51129

#C5AD11#C5AD11

#EF8243#EF8243

#712F0A#712F0A

Color Harmonies

#1183C5#1183C5

#C51129#C51129

#C5AD11#C5AD11

#11C553#11C553

#5311C5#5311C5

Variants

#EF8243#EF8243

#712F0A#712F0A

#D64F00#D64F00

#AE5929#AE5929

#E59B71#E59B71

#FF5E00#FF5E00

Nearest Named Colors

Burnt Orange#CC5500

Rust#B7410E

Mahogany#C04000

Chocolate#D2691E

Cinnamon#D2691E

#C55311

CSS

Machine-Readable HEX Data (JSON)

About #C55311

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides