HEX atlas value

#E3721C

#E3721C is a warm orange HEX color close to Chocolate. According to Colors Encyclopedia, it converts to RGB 227, 114, 28, HSL 26, 78%, 50%, has luminance 0.2845, and belongs to the vibrant group.

orange warm vibrant

#E3721C Sample readable text

HEX #E3721C

RGB rgb(227, 114, 28)

HSL hsl(26 78% 50%)

CMYK cmyk(0, 50, 88, 11)

Luminance 0.2845

Contrast Black 6.69:1White 3.14:1

CSS

--color-e3721c: #E3721C;
.background-e3721c { background-color: #E3721C; }
.text-e3721c { color: #E3721C; }

Luminance0.2845

Black text6.69:1AA Pass

White text3.14:1AA 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":"#E3721C","rgb":[227,114,28],"hsl":[26,78,50],"cmyk":[0,50,88,11],"luminance":0.2845,"contrast":{"black":6.69,"white":3.14}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.69,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.14,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E3D61C","hex":"#E3D61C","family":"yellow","bestTextColor":"#000000","contrastBlack":13.9,"contrastWhite":1.51,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EDA56E","hex":"#EDA56E","family":"orange","bestTextColor":"#000000","contrastBlack":10.21,"contrastWhite":2.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Pumpkin","hex":"#FF7518","family":"orange","bestTextColor":"#000000","contrastBlack":7.81,"contrastWhite":2.69,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#FF6E00","hex":"#FF6E00","family":"orange","bestTextColor":"#000000","contrastBlack":7.48,"contrastWhite":2.81,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#914912","hex":"#914912","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":3.17,"contrastWhite":6.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Chocolate adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e3721c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/chocolate.json","https://www.colorsencyclopedia.com/api/colors/cinnamon.json","https://www.colorsencyclopedia.com/api/colors/fire-opal.json"]}

Harmonies

{"complementary":"#1C8DE3","analogous":["#E31C29","#E3D61C"],"triadic":["#1CE372","#721CE3"],"tetradic":["#29E31C","#1C8DE3","#D61CE3"],"splitComplementary":["#1CE3D6","#1C29E3"],"monochromatic":["#EDA56E","#E3721C","#914912"]}

Variants

{"light":"#EDA56E","dark":"#914912","saturated":"#FF6E00","desaturated":"#C77638","pastel":"#E7BA97","neon":"#FF8629"}

Nearest named colors

[{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":19.339079605813716},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":19.339079605813716},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":23.15167380558045},{"slug":"ochre","name":"Ochre","hex":"#CC7722","distance":24.289915602982237},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":28.442925306655784}]

HEX meaning and use

About #E3721C

#E3721C is classified as a warm orange value with vibrant visual character. #E3721C is visually closest to Chocolate, a named orange color with HEX #D2691E.

The RGB channels are 227, 114, and 28, with red carrying the strongest channel weight. In HSL, the hue is 26deg 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 0.2845, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.34, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.69:1AA Pass

White text3.14:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3721C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.69:1 · AA

White text#FFFFFF3.14:1 · Fail

Accessible Alternatives

#E3D61C#000000 text · best 13.9:1#E3D61C

#EDA56E#000000 text · best 10.21:1#EDA56E

Pumpkin#000000 text · best 7.81:1#FF7518

#FF6E00#000000 text · best 7.48:1#FF6E00

#914912#FFFFFF text · best 6.63:1#914912

Generated Palette

#E3721C#E3721C

#1C8DE3#1C8DE3

#E31C29#E31C29

#E3D61C#E3D61C

#EDA56E#EDA56E

#914912#914912

Color Harmonies

#1C8DE3#1C8DE3

#E31C29#E31C29

#E3D61C#E3D61C

#1CE372#1CE372

#721CE3#721CE3

Variants

#EDA56E#EDA56E

#914912#914912

#FF6E00#FF6E00

#C77638#C77638

#E7BA97#E7BA97

#FF8629#FF8629

Nearest Named Colors

Chocolate#D2691E

Cinnamon#D2691E

Fire Opal#E95C20

Ochre#CC7722

Pumpkin#FF7518

#E3721C

CSS

Machine-Readable HEX Data (JSON)

About #E3721C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides