HEX atlas value

#E15447

#E15447 is a warm red HEX color close to Cinnabar. According to Colors Encyclopedia, it converts to RGB 225, 84, 71, HSL 5, 72%, 58%, has luminance 0.228, and belongs to the vibrant group.

#E15447 Sample readable text
HEX #E15447
RGB rgb(225, 84, 71)
HSL hsl(5 72% 58%)
CMYK cmyk(0, 63, 68, 12)
Luminance 0.228
Contrast Black 5.56:1White 3.78:1

CSS

--color-e15447: #E15447;
.background-e15447 { background-color: #E15447; }
.text-e15447 { color: #E15447; }

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
Luminance0.228
Black text5.56:1AA Pass
White text3.78:1AA 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":"#E15447","rgb":[225,84,71],"hsl":[5,72,58],"cmyk":[0,63,68,12],"luminance":0.228,"contrast":{"black":5.56,"white":3.78}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.56,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.78,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#47D4E1","hex":"#47D4E1","family":"cyan","bestTextColor":"#000000","contrastBlack":11.77,"contrastWhite":1.78,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EE9D96","hex":"#EE9D96","family":"red","bestTextColor":"#000000","contrastBlack":9.9,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E1A147","hex":"#E1A147","family":"orange","bestTextColor":"#000000","contrastBlack":9.39,"contrastWhite":2.24,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#AF291D","hex":"#AF291D","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.16,"contrastWhite":6.65,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#F9402F","hex":"#F9402F","family":"red","bestTextColor":"#000000","contrastBlack":5.8,"contrastWhite":3.62,"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/e15447.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/indian-red.json"]}
Harmonies
{"complementary":"#47D4E1","analogous":["#E14787","#E1A147"],"triadic":["#47E154","#5447E1"],"tetradic":["#87E147","#47D4E1","#A147E1"],"splitComplementary":["#47E1A1","#4787E1"],"monochromatic":["#EE9D96","#E15447","#AF291D"]}
Variants
{"light":"#EE9D96","dark":"#AF291D","saturated":"#F9402F","desaturated":"#C9675E","pastel":"#ECBFBB","neon":"#FF6052"}
Nearest named colors
[{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":26.13426869074396},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":26.248809496813376},{"slug":"indian-red","name":"Indian Red","hex":"#CD5C5C","distance":30.083217912982647},{"slug":"roman-red","name":"Roman Red","hex":"#CD5C5C","distance":30.083217912982647},{"slug":"spinel","name":"Spinel","hex":"#D83A56","distance":31.336879231984796}]

HEX meaning and use

About #E15447

#E15447 is classified as a warm red value with vibrant visual character. #E15447 is visually closest to Cinnabar, a named red color with HEX #E44D2E.

The RGB channels are 225, 84, and 71, with red carrying the strongest channel weight. In HSL, the hue is 5deg with 72% 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 0.228, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.13, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.56:1AA Pass
White text3.78:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E15447 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.56:1 · AA
White text#FFFFFF3.78:1 · Fail

Accessible Alternatives

#47D4E1#000000 text · best 11.77:1#47D4E1
#EE9D96#000000 text · best 9.9:1#EE9D96
#E1A147#000000 text · best 9.39:1#E1A147
#AF291D#FFFFFF text · best 6.65:1#AF291D
#F9402F#000000 text · best 5.8:1#F9402F

Generated Palette

#E15447#E15447
#47D4E1#47D4E1
#E14787#E14787
#E1A147#E1A147
#EE9D96#EE9D96
#AF291D#AF291D

Color Harmonies

#47D4E1#47D4E1
#E14787#E14787
#E1A147#E1A147
#47E154#47E154
#5447E1#5447E1

Variants

#EE9D96#EE9D96
#AF291D#AF291D
#F9402F#F9402F
#C9675E#C9675E
#ECBFBB#ECBFBB
#FF6052#FF6052

Nearest Named Colors