HEX atlas value

#E30022

#E30022 is a warm red HEX color close to Cadmium Red. According to Colors Encyclopedia, it converts to RGB 227, 0, 34, HSL 351, 100%, 45%, has luminance 0.1645, and belongs to the vibrant group.

#E30022 Sample readable text
HEX #E30022
RGB rgb(227, 0, 34)
HSL hsl(351 100% 45%)
CMYK cmyk(0, 100, 85, 11)
Luminance 0.1645
Contrast Black 4.29:1White 4.9:1

CSS

--color-e30022: #E30022;
.background-e30022 { background-color: #E30022; }
.text-e30022 { color: #E30022; }

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
Luminance0.1645
Black text4.29:1AA Fail
White text4.9:1AA Pass
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":"#E30022","rgb":[227,0,34],"hsl":[351,100,45],"cmyk":[0,100,85,11],"luminance":0.1645,"contrast":{"black":4.29,"white":4.9}}
WCAG
{"AA":["#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.29,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.9,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#00E6C3","hex":"#00E6C3","family":"cyan","bestTextColor":"#000000","contrastBlack":13.11,"contrastWhite":1.6,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#8A0015","hex":"#8A0015","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.09,"contrastWhite":10.04,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#FF425F","hex":"#FF425F","family":"red","bestTextColor":"#000000","contrastBlack":6.2,"contrastWhite":3.39,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Venetian Red","hex":"#C80815","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.5,"contrastWhite":6,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#CC1934","hex":"#CC1934","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.76,"contrastWhite":5.59,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm red","vibrant","vibrant red","Cadmium Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e30022.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cadmium-red.json","https://www.colorsencyclopedia.com/api/colors/cherry-red.json","https://www.colorsencyclopedia.com/api/colors/venetian-red.json"]}
Harmonies
{"complementary":"#00E6C3","analogous":["#E60095","#E65000"],"triadic":["#22E600","#0022E6"],"tetradic":["#95E600","#00E6C3","#5000E6"],"splitComplementary":["#00E650","#0095E6"],"monochromatic":["#FF425F","#E30022","#8A0015"]}
Variants
{"light":"#FF425F","dark":"#8A0015","saturated":"#E60022","desaturated":"#CC1934","pastel":"#F47185","neon":"#FF0F33"}
Nearest named colors
[{"slug":"cadmium-red","name":"Cadmium Red","hex":"#E30022","distance":0},{"slug":"cherry-red","name":"Cherry Red","hex":"#D2042D","distance":20.639767440550294},{"slug":"venetian-red","name":"Venetian Red","hex":"#C80815","distance":31.016124838541646},{"slug":"crimson","name":"Crimson","hex":"#DC143C","distance":33.54101966249684},{"slug":"signal-red","name":"Signal Red","hex":"#E60000","distance":34.132096331752024}]

HEX meaning and use

About #E30022

#E30022 is classified as a warm red value with vibrant visual character. #E30022 is visually closest to Cadmium Red, a named red color with HEX #E30022.

The RGB channels are 227, 0, and 34, with red carrying the strongest channel weight. In HSL, the hue is 351deg with 100% saturation and 45% 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 0.1645, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.29:1AA Fail
White text4.9:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E30022 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.29:1 · Fail
White text#FFFFFF4.9:1 · AA

Accessible Alternatives

#00E6C3#000000 text · best 13.11:1#00E6C3
#8A0015#FFFFFF text · best 10.04:1#8A0015
#FF425F#000000 text · best 6.2:1#FF425F
Venetian Red#FFFFFF text · best 6:1#C80815
#CC1934#FFFFFF text · best 5.59:1#CC1934

Generated Palette

Cadmium Red#E30022
#00E6C3#00E6C3
#E60095#E60095
#E65000#E65000
#FF425F#FF425F
#8A0015#8A0015

Color Harmonies

#00E6C3#00E6C3
#E60095#E60095
#E65000#E65000
#22E600#22E600
#0022E6#0022E6

Variants

#FF425F#FF425F
#8A0015#8A0015
#E60022#E60022
#CC1934#CC1934
#F47185#F47185
#FF0F33#FF0F33

Nearest Named Colors