HEX atlas value

#E3831C

#E3831C is a warm orange HEX color close to Cadmium Orange. According to Colors Encyclopedia, it converts to RGB 227, 131, 28, HSL 31, 78%, 50%, has luminance 0.3265, and belongs to the vibrant group.

orange warm vibrant

#E3831C Sample readable text

HEX #E3831C

RGB rgb(227, 131, 28)

HSL hsl(31 78% 50%)

CMYK cmyk(0, 42, 88, 11)

Luminance 0.3265

Contrast Black 7.53:1White 2.79:1

CSS

--color-e3831c: #E3831C;
.background-e3831c { background-color: #E3831C; }
.text-e3831c { color: #E3831C; }

Luminance0.3265

Black text7.53:1AA Pass

White text2.79:1AA 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

Structured sections

Color systems

{"hex":"#E3831C","rgb":[227,131,28],"hsl":[31,78,50],"cmyk":[0,42,88,11],"luminance":0.3265,"contrast":{"black":7.53,"white":2.79}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":7.53,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.79,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E0E31C","hex":"#E0E31C","family":"yellow","bestTextColor":"#000000","contrastBlack":15.17,"contrastWhite":1.38,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#EDB06E","hex":"#EDB06E","family":"orange","bestTextColor":"#000000","contrastBlack":11.04,"contrastWhite":1.9,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF8400","hex":"#FF8400","family":"orange","bestTextColor":"#000000","contrastBlack":8.55,"contrastWhite":2.46,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Cadmium Orange","hex":"#ED872D","family":"orange","bestTextColor":"#000000","contrastBlack":8.1,"contrastWhite":2.59,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#C78238","hex":"#C78238","family":"orange","bestTextColor":"#000000","contrastBlack":6.68,"contrastWhite":3.14,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Cadmium Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e3831c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cadmium-orange.json","https://www.colorsencyclopedia.com/api/colors/ochre.json","https://www.colorsencyclopedia.com/api/colors/chocolate.json"]}

Harmonies

{"complementary":"#1C7CE3","analogous":["#E31F1C","#E0E31C"],"triadic":["#1CE383","#831CE3"],"tetradic":["#1CE31F","#1C7CE3","#E31CE0"],"splitComplementary":["#1CE0E3","#1F1CE3"],"monochromatic":["#EDB06E","#E3831C","#915412"]}

Variants

{"light":"#EDB06E","dark":"#915412","saturated":"#FF8400","desaturated":"#C78238","pastel":"#E7C197","neon":"#FF9729"}

Nearest named colors

[{"slug":"cadmium-orange","name":"Cadmium Orange","hex":"#ED872D","distance":20.12461179749811},{"slug":"ochre","name":"Ochre","hex":"#CC7722","distance":26.627053911388696},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":31.12876483254676},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":31.12876483254676},{"slug":"bronze","name":"Bronze","hex":"#CD7F32","distance":31.368774282716245}]

HEX meaning and use

About #E3831C

#E3831C is classified as a warm orange value with vibrant visual character. #E3831C is visually closest to Cadmium Orange, a named orange color with HEX #ED872D.

The RGB channels are 227, 131, and 28, with red carrying the strongest channel weight. In HSL, the hue is 31deg with 78% saturation and 50% 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 0.3265, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.12, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.53:1AA Pass

White text2.79:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3831C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.53:1 · AAA

White text#FFFFFF2.79:1 · Fail

Accessible Alternatives

#E0E31C#000000 text · best 15.17:1#E0E31C

#EDB06E#000000 text · best 11.04:1#EDB06E

#FF8400#000000 text · best 8.55:1#FF8400

Cadmium Orange#000000 text · best 8.1:1#ED872D

#C78238#000000 text · best 6.68:1#C78238

Generated Palette

#E3831C#E3831C

#1C7CE3#1C7CE3

#E31F1C#E31F1C

#E0E31C#E0E31C

#EDB06E#EDB06E

#915412#915412

Color Harmonies

#1C7CE3#1C7CE3

#E31F1C#E31F1C

#E0E31C#E0E31C

#1CE383#1CE383

#831CE3#831CE3

Variants

#EDB06E#EDB06E

#915412#915412

#FF8400#FF8400

#C78238#C78238

#E7C197#E7C197

#FF9729#FF9729

Nearest Named Colors

Cadmium Orange#ED872D

Ochre#CC7722

Chocolate#D2691E

Cinnamon#D2691E

Bronze#CD7F32

#E3831C

CSS

Machine-Readable HEX Data (JSON)

About #E3831C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides