Colors Encyclopedia

HEX atlas value

#E3901C

#E3901C is a warm orange HEX color close to Marigold. According to Colors Encyclopedia, it converts to RGB 227, 144, 28, HSL 35, 78%, 50%, has luminance 0.3636, and belongs to the vibrant group.

orangewarmvibrant
#E3901C Sample readable text
HEX #E3901C
RGB rgb(227, 144, 28)
HSL hsl(35 78% 50%)
CMYK cmyk(0, 37, 88, 11)
Luminance 0.3636
Contrast Black 8.27:1White 2.54:1

CSS

--color-e3901c: #E3901C;
.background-e3901c { background-color: #E3901C; }
.text-e3901c { color: #E3901C; }

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
Luminance0.3636
Black text8.27:1AA Pass
White text2.54:1AA 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":"#E3901C","rgb":[227,144,28],"hsl":[35,78,50],"cmyk":[0,37,88,11],"luminance":0.3636,"contrast":{"black":8.27,"white":2.54}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":8.27,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.54,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D2E31C","hex":"#D2E31C","family":"yellow","bestTextColor":"#000000","contrastBlack":14.74,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EDB86E","hex":"#EDB86E","family":"orange","bestTextColor":"#000000","contrastBlack":11.68,"contrastWhite":1.8,"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"]},{"name":"#FF9500","hex":"#FF9500","family":"orange","bestTextColor":"#000000","contrastBlack":9.55,"contrastWhite":2.2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Goldenrod","hex":"#DAA520","family":"orange","bestTextColor":"#000000","contrastBlack":9.38,"contrastWhite":2.24,"wcagAA":["#000000","#1A1A1A"],"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/e3901c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/marigold.json","https://www.colorsencyclopedia.com/api/colors/cadmium-orange.json","https://www.colorsencyclopedia.com/api/colors/goldenrod.json"]}
Harmonies
{"complementary":"#1C6FE3","analogous":["#E32D1C","#D2E31C"],"triadic":["#1CE390","#901CE3"],"tetradic":["#1CE32D","#1C6FE3","#E31CD2"],"splitComplementary":["#1CD2E3","#2D1CE3"],"monochromatic":["#EDB86E","#E3901C","#915C12"]}
Variants
{"light":"#EDB86E","dark":"#915C12","saturated":"#FF9500","desaturated":"#C78B38","pastel":"#E7C697","neon":"#FFA629"}
Nearest named colors
[{"slug":"marigold","name":"Marigold","hex":"#EAA221","distance":19.949937343260004},{"slug":"cadmium-orange","name":"Cadmium Orange","hex":"#ED872D","distance":21.6794833886788},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":23.194827009486403},{"slug":"tangerine","name":"Tangerine","hex":"#F28500","distance":33.61547262794322},{"slug":"ochre","name":"Ochre","hex":"#CC7722","distance":34.49637662132068}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #E3901C

#E3901C is classified as a warm orange value with vibrant visual character. #E3901C is visually closest to Marigold, a named orange color with HEX #EAA221.

The RGB channels are 227, 144, and 28, with red carrying the strongest channel weight. In HSL, the hue is 35deg 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 0.3636, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.95, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.27:1AA Pass
White text2.54:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3901C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.27:1 · AAA
White text#FFFFFF2.54:1 · Fail

Accessible Alternatives

#D2E31C#000000 text · best 14.74:1#D2E31C
#EDB86E#000000 text · best 11.68:1#EDB86E
Marigold#000000 text · best 9.69:1#EAA221
#FF9500#000000 text · best 9.55:1#FF9500
Goldenrod#000000 text · best 9.38:1#DAA520

Generated Palette

#E3901C#E3901C
#1C6FE3#1C6FE3
#E32D1C#E32D1C
#D2E31C#D2E31C
#EDB86E#EDB86E
#915C12#915C12

Color Harmonies

#1C6FE3#1C6FE3
#E32D1C#E32D1C
#D2E31C#D2E31C
#1CE390#1CE390
#901CE3#901CE3

Variants

#EDB86E#EDB86E
#915C12#915C12
#FF9500#FF9500
#C78B38#C78B38
#E7C697#E7C697
#FFA629#FFA629

Nearest Named Colors

Marigold#EAA221
Cadmium Orange#ED872D
Goldenrod#DAA520
Tangerine#F28500
Ochre#CC7722

Related HEX Guides

Marigold colorOpen the nearest named color reference for #EAA221.Cadmium Orange colorOpen the nearest named color reference for #ED872D.Goldenrod colorOpen the nearest named color reference for #DAA520.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#E3901C APIOpen the machine-readable JSON record for this HEX value.