HEX atlas value

#E3971C

#E3971C is a warm orange HEX color close to Marigold. According to Colors Encyclopedia, it converts to RGB 227, 151, 28, HSL 37, 78%, 50%, has luminance 0.3855, and belongs to the vibrant group.

orange warm vibrant

#E3971C Sample readable text

HEX #E3971C

RGB rgb(227, 151, 28)

HSL hsl(37 78% 50%)

CMYK cmyk(0, 33, 88, 11)

Luminance 0.3855

Contrast Black 8.71:1White 2.41:1

CSS

--color-e3971c: #E3971C;
.background-e3971c { background-color: #E3971C; }
.text-e3971c { color: #E3971C; }

Luminance0.3855

Black text8.71:1AA Pass

White text2.41:1AA 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":"#E3971C","rgb":[227,151,28],"hsl":[37,78,50],"cmyk":[0,33,88,11],"luminance":0.3855,"contrast":{"black":8.71,"white":2.41}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":8.71,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.41,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#CCE31C","hex":"#CCE31C","family":"yellow","bestTextColor":"#000000","contrastBlack":14.57,"contrastWhite":1.44,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EDBC6E","hex":"#EDBC6E","family":"orange","bestTextColor":"#000000","contrastBlack":12.02,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Mustard Yellow","hex":"#E1AD01","family":"yellow","bestTextColor":"#000000","contrastBlack":10.18,"contrastWhite":2.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF9D00","hex":"#FF9D00","family":"orange","bestTextColor":"#000000","contrastBlack":10.07,"contrastWhite":2.08,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Marigold","hex":"#EAA221","family":"orange","bestTextColor":"#000000","contrastBlack":9.69,"contrastWhite":2.17,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Marigold adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e3971c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/marigold.json","https://www.colorsencyclopedia.com/api/colors/goldenrod.json","https://www.colorsencyclopedia.com/api/colors/cadmium-orange.json"]}

Harmonies

{"complementary":"#1C68E3","analogous":["#E3331C","#CCE31C"],"triadic":["#1CE397","#971CE3"],"tetradic":["#1CE333","#1C68E3","#E31CCC"],"splitComplementary":["#1CCCE3","#331CE3"],"monochromatic":["#EDBC6E","#E3971C","#916012"]}

Variants

{"light":"#EDBC6E","dark":"#916012","saturated":"#FF9D00","desaturated":"#C79038","pastel":"#E7C997","neon":"#FFAD29"}

Nearest named colors

[{"slug":"marigold","name":"Marigold","hex":"#EAA221","distance":13.96424004376894},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":17.11724276862369},{"slug":"cadmium-orange","name":"Cadmium Orange","hex":"#ED872D","distance":25.39685019840059},{"slug":"butterscotch","name":"Butterscotch","hex":"#E3963E","distance":34.0147027033899},{"slug":"mustard-yellow","name":"Mustard Yellow","hex":"#E1AD01","distance":34.88552708502482}]

HEX meaning and use

About #E3971C

#E3971C is classified as a warm orange value with vibrant visual character. #E3971C is visually closest to Marigold, a named orange color with HEX #EAA221.

The RGB channels are 227, 151, and 28, with red carrying the strongest channel weight. In HSL, the hue is 37deg 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 0.3855, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.96, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.71:1AA Pass

White text2.41:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3971C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.71:1 · AAA

White text#FFFFFF2.41:1 · Fail

Accessible Alternatives

#CCE31C#000000 text · best 14.57:1#CCE31C

#EDBC6E#000000 text · best 12.02:1#EDBC6E

Mustard Yellow#000000 text · best 10.18:1#E1AD01

#FF9D00#000000 text · best 10.07:1#FF9D00

Marigold#000000 text · best 9.69:1#EAA221

Generated Palette

#E3971C#E3971C

#1C68E3#1C68E3

#E3331C#E3331C

#CCE31C#CCE31C

#EDBC6E#EDBC6E

#916012#916012

Color Harmonies

#1C68E3#1C68E3

#E3331C#E3331C

#CCE31C#CCE31C

#1CE397#1CE397

#971CE3#971CE3

Variants

#EDBC6E#EDBC6E

#916012#916012

#FF9D00#FF9D00

#C79038#C79038

#E7C997#E7C997

#FFAD29#FFAD29

Nearest Named Colors

Marigold#EAA221

Goldenrod#DAA520

Cadmium Orange#ED872D

Butterscotch#E3963E

Mustard Yellow#E1AD01

#E3971C

CSS

Machine-Readable HEX Data (JSON)

About #E3971C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides