HEX atlas value

#CB4E0B

#CB4E0B is a warm orange HEX color close to Burnt Orange. According to Colors Encyclopedia, it converts to RGB 203, 78, 11, HSL 21, 90%, 42%, has luminance 0.1817, and belongs to the vibrant group.

#CB4E0B Sample readable text
HEX #CB4E0B
RGB rgb(203, 78, 11)
HSL hsl(21 90% 42%)
CMYK cmyk(0, 62, 95, 20)
Luminance 0.1817
Contrast Black 4.63:1White 4.53:1

CSS

--color-cb4e0b: #CB4E0B;
.background-cb4e0b { background-color: #CB4E0B; }
.text-cb4e0b { color: #CB4E0B; }

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
Luminance0.1817
Black text4.63:1AA Pass
White text4.53:1AA 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":"#CB4E0B","rgb":[203,78,11],"hsl":[21,90,42],"cmyk":[0,62,95,20],"luminance":0.1817,"contrast":{"black":4.63,"white":4.53}}
WCAG
{"AA":["#000000","#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.63,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.53,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#742D06","hex":"#742D06","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.12,"contrastWhite":9.91,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#CBAF0B","hex":"#CBAF0B","family":"yellow","bestTextColor":"#000000","contrastBlack":9.68,"contrastWhite":2.17,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F57D3D","hex":"#F57D3D","family":"orange","bestTextColor":"#000000","contrastBlack":7.88,"contrastWhite":2.66,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#CB0B28","hex":"#CB0B28","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.62,"contrastWhite":5.8,"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/cb4e0b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json","https://www.colorsencyclopedia.com/api/colors/rust.json"]}
Harmonies
{"complementary":"#0B88CB","analogous":["#CB0B28","#CBAF0B"],"triadic":["#0BCB4E","#4E0BCB"],"tetradic":["#28CB0B","#0B88CB","#AF0BCB"],"splitComplementary":["#0BCBAF","#0B28CB"],"monochromatic":["#F57D3D","#CB4E0B","#742D06"]}
Variants
{"light":"#F57D3D","dark":"#742D06","saturated":"#D64B00","desaturated":"#B45522","pastel":"#EA986C","neon":"#FF5900"}
Nearest named colors
[{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":13.076696830622021},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":20.92844953645635},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":24.041630560342615},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":33.74907406137241},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":33.74907406137241}]

HEX meaning and use

About #CB4E0B

#CB4E0B is classified as a warm orange value with vibrant visual character. #CB4E0B is visually closest to Burnt Orange, a named orange color with HEX #CC5500.

The RGB channels are 203, 78, and 11, with red carrying the strongest channel weight. In HSL, the hue is 21deg with 90% 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 0.1817, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.08, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.63:1AA Pass
White text4.53:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #CB4E0B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.63:1 · AA
White text#FFFFFF4.53:1 · AA

Accessible Alternatives

#742D06#FFFFFF text · best 9.91:1#742D06
#CBAF0B#000000 text · best 9.68:1#CBAF0B
#F57D3D#000000 text · best 7.88:1#F57D3D
#CB0B28#FFFFFF text · best 5.8:1#CB0B28
Cinnamon#000000 text · best 5.78:1#D2691E

Generated Palette

#CB4E0B#CB4E0B
#0B88CB#0B88CB
#CB0B28#CB0B28
#CBAF0B#CBAF0B
#F57D3D#F57D3D
#742D06#742D06

Color Harmonies

#0B88CB#0B88CB
#CB0B28#CB0B28
#CBAF0B#CBAF0B
#0BCB4E#0BCB4E
#4E0BCB#4E0BCB

Variants

#F57D3D#F57D3D
#742D06#742D06
#D64B00#D64B00
#B45522#B45522
#EA986C#EA986C
#FF5900#FF5900

Nearest Named Colors