HEX atlas value

#EE643A

#EE643A is a warm red HEX color close to Tomato. According to Colors Encyclopedia, it converts to RGB 238, 100, 58, HSL 14, 84%, 58%, has luminance 0.276, and belongs to the vibrant group.

#EE643A Sample readable text
HEX #EE643A
RGB rgb(238, 100, 58)
HSL hsl(14 84% 58%)
CMYK cmyk(0, 58, 76, 7)
Luminance 0.276
Contrast Black 6.52:1White 3.22:1

CSS

--color-ee643a: #EE643A;
.background-ee643a { background-color: #EE643A; }
.text-ee643a { color: #EE643A; }

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
Luminance0.276
Black text6.52:1AA Pass
White text3.22:1AA 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":"#EE643A","rgb":[238,100,58],"hsl":[14,84,58],"cmyk":[0,58,76,7],"luminance":0.276,"contrast":{"black":6.52,"white":3.22}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.52,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.22,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#EEBE3A","hex":"#EEBE3A","family":"orange","bestTextColor":"#000000","contrastBlack":12.06,"contrastWhite":1.74,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F5A68E","hex":"#F5A68E","family":"red","bestTextColor":"#000000","contrastBlack":10.73,"contrastWhite":1.96,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#3AC4EE","hex":"#3AC4EE","family":"cyan","bestTextColor":"#000000","contrastBlack":10.31,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Tomato","hex":"#FF6347","family":"red","bestTextColor":"#000000","contrastBlack":7.13,"contrastWhite":2.95,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Burnt Sienna","hex":"#E97451","family":"red","bestTextColor":"#000000","contrastBlack":7.08,"contrastWhite":2.97,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Tomato adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ee643a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/tomato.json","https://www.colorsencyclopedia.com/api/colors/fire-opal.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json"]}
Harmonies
{"complementary":"#3AC4EE","analogous":["#EE3A6A","#EEBE3A"],"triadic":["#3AEE64","#643AEE"],"tetradic":["#6AEE3A","#3AC4EE","#BE3AEE"],"splitComplementary":["#3AEEBE","#3A6AEE"],"monochromatic":["#F5A68E","#EE643A","#BC3810"]}
Variants
{"light":"#F5A68E","dark":"#BC3810","saturated":"#FF5B29","desaturated":"#D67051","pastel":"#F2C4B6","neon":"#FF7A52"}
Nearest named colors
[{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":21.42428528562855},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":27.65863337187866},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":27.80287754891569},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":28.460498941515414},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":32.29551052391029}]

HEX meaning and use

About #EE643A

#EE643A is classified as a warm red value with vibrant visual character. #EE643A is visually closest to Tomato, a named red color with HEX #FF6347.

The RGB channels are 238, 100, and 58, with red carrying the strongest channel weight. In HSL, the hue is 14deg with 84% saturation and 58% 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 0.276, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.42, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.52:1AA Pass
White text3.22:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EE643A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.52:1 · AA
White text#FFFFFF3.22:1 · Fail

Accessible Alternatives

#EEBE3A#000000 text · best 12.06:1#EEBE3A
#F5A68E#000000 text · best 10.73:1#F5A68E
#3AC4EE#000000 text · best 10.31:1#3AC4EE
Tomato#000000 text · best 7.13:1#FF6347
Burnt Sienna#000000 text · best 7.08:1#E97451

Generated Palette

#EE643A#EE643A
#3AC4EE#3AC4EE
#EE3A6A#EE3A6A
#EEBE3A#EEBE3A
#F5A68E#F5A68E
#BC3810#BC3810

Color Harmonies

#3AC4EE#3AC4EE
#EE3A6A#EE3A6A
#EEBE3A#EEBE3A
#3AEE64#3AEE64
#643AEE#643AEE

Variants

#F5A68E#F5A68E
#BC3810#BC3810
#FF5B29#FF5B29
#D67051#D67051
#F2C4B6#F2C4B6
#FF7A52#FF7A52

Nearest Named Colors