HEX atlas value

#EE553A

#EE553A is a warm red HEX color close to Cinnabar. According to Colors Encyclopedia, it converts to RGB 238, 85, 58, HSL 9, 84%, 58%, has luminance 0.2498, and belongs to the vibrant group.

#EE553A Sample readable text
HEX #EE553A
RGB rgb(238, 85, 58)
HSL hsl(9 84% 58%)
CMYK cmyk(0, 64, 76, 7)
Luminance 0.2498
Contrast Black 6:1White 3.5:1

CSS

--color-ee553a: #EE553A;
.background-ee553a { background-color: #EE553A; }
.text-ee553a { color: #EE553A; }

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
Luminance0.2498
Black text6:1AA Pass
White text3.5:1AA 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":"#EE553A","rgb":[238,85,58],"hsl":[9,84,58],"cmyk":[0,64,76,7],"luminance":0.2498,"contrast":{"black":6,"white":3.5}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.5,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#3AD3EE","hex":"#3AD3EE","family":"cyan","bestTextColor":"#000000","contrastBlack":11.73,"contrastWhite":1.79,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EEAF3A","hex":"#EEAF3A","family":"orange","bestTextColor":"#000000","contrastBlack":10.83,"contrastWhite":1.94,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F59E8E","hex":"#F59E8E","family":"red","bestTextColor":"#000000","contrastBlack":10.16,"contrastWhite":2.07,"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":"Tulip Red","hex":"#FF4D4D","family":"red","bestTextColor":"#000000","contrastBlack":6.42,"contrastWhite":3.27,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Cinnabar 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/ee553a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json","https://www.colorsencyclopedia.com/api/colors/tomato.json"]}
Harmonies
{"complementary":"#3AD3EE","analogous":["#EE3A79","#EEAF3A"],"triadic":["#3AEE55","#553AEE"],"tetradic":["#79EE3A","#3AD3EE","#AF3AEE"],"splitComplementary":["#3AEEAF","#3A79EE"],"monochromatic":["#F59E8E","#EE553A","#BC2A10"]}
Variants
{"light":"#F59E8E","dark":"#BC2A10","saturated":"#FF4929","desaturated":"#D66551","pastel":"#F2BFB6","neon":"#FF6C52"}
Nearest named colors
[{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":17.549928774784245},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":22.759613353482084},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":25.573423705088842},{"slug":"tulip-red","name":"Tulip Red","hex":"#FF4D4D","distance":26.720778431774775},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":27.386127875258307}]

HEX meaning and use

About #EE553A

#EE553A is classified as a warm red value with vibrant visual character. #EE553A is visually closest to Cinnabar, a named red color with HEX #E44D2E.

The RGB channels are 238, 85, and 58, with red carrying the strongest channel weight. In HSL, the hue is 9deg 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 0.2498, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.55, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6:1AA Pass
White text3.5:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EE553A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006:1 · AA
White text#FFFFFF3.5:1 · Fail

Accessible Alternatives

#3AD3EE#000000 text · best 11.73:1#3AD3EE
#EEAF3A#000000 text · best 10.83:1#EEAF3A
#F59E8E#000000 text · best 10.16:1#F59E8E
Tomato#000000 text · best 7.13:1#FF6347
Tulip Red#000000 text · best 6.42:1#FF4D4D

Generated Palette

#EE553A#EE553A
#3AD3EE#3AD3EE
#EE3A79#EE3A79
#EEAF3A#EEAF3A
#F59E8E#F59E8E
#BC2A10#BC2A10

Color Harmonies

#3AD3EE#3AD3EE
#EE3A79#EE3A79
#EEAF3A#EEAF3A
#3AEE55#3AEE55
#553AEE#553AEE

Variants

#F59E8E#F59E8E
#BC2A10#BC2A10
#FF4929#FF4929
#D66551#D66551
#F2BFB6#F2BFB6
#FF6C52#FF6C52

Nearest Named Colors