HEX atlas value

#DE4F35

#DE4F35 is a warm red HEX color close to Cinnabar. According to Colors Encyclopedia, it converts to RGB 222, 79, 53, HSL 9, 72%, 54%, has luminance 0.2138, and belongs to the vibrant group.

#DE4F35 Sample readable text
HEX #DE4F35
RGB rgb(222, 79, 53)
HSL hsl(9 72% 54%)
CMYK cmyk(0, 64, 76, 13)
Luminance 0.2138
Contrast Black 5.28:1White 3.98:1

CSS

--color-de4f35: #DE4F35;
.background-de4f35 { background-color: #DE4F35; }
.text-de4f35 { color: #DE4F35; }

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
Luminance0.2138
Black text5.28:1AA Pass
White text3.98:1AA 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":"#DE4F35","rgb":[222,79,53],"hsl":[9,72,54],"cmyk":[0,64,76,13],"luminance":0.2138,"contrast":{"black":5.28,"white":3.98}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.28,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.98,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#35C5DE","hex":"#35C5DE","family":"cyan","bestTextColor":"#000000","contrastBlack":10.19,"contrastWhite":2.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#DEA335","hex":"#DEA335","family":"orange","bestTextColor":"#000000","contrastBlack":9.4,"contrastWhite":2.23,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EB9484","hex":"#EB9484","family":"red","bestTextColor":"#000000","contrastBlack":9.1,"contrastWhite":2.31,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#9E2E1A","hex":"#9E2E1A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.86,"contrastWhite":7.34,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Fire Opal","hex":"#E95C20","family":"orange","bestTextColor":"#000000","contrastBlack":6.02,"contrastWhite":3.49,"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"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/de4f35.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/fire-opal.json"]}
Harmonies
{"complementary":"#35C5DE","analogous":["#DE3570","#DEA335"],"triadic":["#35DE4F","#4F35DE"],"tetradic":["#70DE35","#35C5DE","#A335DE"],"splitComplementary":["#35DEA3","#3570DE"],"monochromatic":["#EB9484","#DE4F35","#9E2E1A"]}
Variants
{"light":"#EB9484","dark":"#9E2E1A","saturated":"#F83D1B","desaturated":"#C4614F","pastel":"#E8B4AB","neon":"#FF5A3D"}
Nearest named colors
[{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":9.433981132056603},{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":13.96424004376894},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":27.03701166919155},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":27.730849247724095},{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":33.34666400106613}]

HEX meaning and use

About #DE4F35

#DE4F35 is classified as a warm red value with vibrant visual character. #DE4F35 is visually closest to Cinnabar, a named red color with HEX #E44D2E.

The RGB channels are 222, 79, and 53, with red carrying the strongest channel weight. In HSL, the hue is 9deg with 72% saturation and 54% 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 0.2138, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 9.43, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.28:1AA Pass
White text3.98:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #DE4F35 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.28:1 · AA
White text#FFFFFF3.98:1 · Fail

Accessible Alternatives

#35C5DE#000000 text · best 10.19:1#35C5DE
#DEA335#000000 text · best 9.4:1#DEA335
#EB9484#000000 text · best 9.1:1#EB9484
#9E2E1A#FFFFFF text · best 7.34:1#9E2E1A
Fire Opal#000000 text · best 6.02:1#E95C20

Generated Palette

#DE4F35#DE4F35
#35C5DE#35C5DE
#DE3570#DE3570
#DEA335#DEA335
#EB9484#EB9484
#9E2E1A#9E2E1A

Color Harmonies

#35C5DE#35C5DE
#DE3570#DE3570
#DEA335#DEA335
#35DE4F#35DE4F
#4F35DE#4F35DE

Variants

#EB9484#EB9484
#9E2E1A#9E2E1A
#F83D1B#F83D1B
#C4614F#C4614F
#E8B4AB#E8B4AB
#FF5A3D#FF5A3D

Nearest Named Colors