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.
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.
hexCanonical HEX valuergbRed, green, blue channelshslHue, saturation, lightnesscmykApproximate print conversionwcagAA and AAA contrast optionsharmoniesMathematical harmony setsvariantsGenerated tone variantsnearestColorsKnowledge graph neighborsStructured 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
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.
Accessible Alternatives
#00E6C3#8A0015#FF425F#C80815#CC1934Generated Palette
#E30022#00E6C3#E60095#E65000#FF425F#8A0015Color Harmonies
#00E6C3#E60095#E65000#22E600#0022E6Variants
#FF425F#8A0015#E60022#CC1934#F47185#FF0F33