Colors Encyclopedia

Named color

Cadmium Red

Cadmium Red is a vibrant red color with HEX #E30022. According to Colors Encyclopedia, it has RGB 227, 0, 34, HSL 351, 100%, 45%, warm temperature, and is useful for historical references, pigment palettes, and cultural color systems.

#E30022 red warm vibrant
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 Utilities

--color-cadmium-red: #E30022;
.bg-cadmium-red { background-color: #E30022; }
.text-cadmium-red { color: #E30022; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Machine-readable data

Machine-Readable Color Data (JSON)

Perfect for CSS, design systems, 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": []
}
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"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#00E6C3",
    "#E60095",
    "#E65000"
  ],
  "avoid": [
    "#CC1934",
    "#FF425F"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#FF425F",
    "#CC1934"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "cherry-red",
    "venetian-red",
    "crimson",
    "signal-red",
    "traffic-red"
  ],
  "generatedPalettes": [
    "cadmium-red"
  ],
  "generatedComparisons": [
    "cadmium-red-vs-cherry-red",
    "cadmium-red-vs-venetian-red",
    "neon-red-vs-cadmium-red"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/cadmium-red",
    "/wcag/cadmium-red",
    "/css/colors/cadmium-red",
    "/hex/e30022"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/red",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/cadmium-red"
    ],
    "related": [
      "/colors/cherry-red",
      "/colors/venetian-red",
      "/colors/crimson",
      "/colors/signal-red",
      "/colors/traffic-red",
      "/compare/cadmium-red-vs-cherry-red",
      "/compare/cadmium-red-vs-venetian-red",
      "/compare/neon-red-vs-cadmium-red",
      "/harmonies/cadmium-red",
      "/wcag/cadmium-red",
      "/css/colors/cadmium-red",
      "/hex/e30022"
    ]
  }
}
Full JSON dataset 
{
  "slug": "cadmium-red",
  "name": "Cadmium Red",
  "hex": "#E30022",
  "uses": [
    "historical references",
    "pigment palettes",
    "cultural color systems"
  ],
  "psychology": {
    "associations": [
      "heritage",
      "craft",
      "specificity"
    ],
    "contexts": [
      "museum design",
      "education",
      "editorial research",
      "cultural references"
    ],
    "avoidIn": [
      "generic unlabeled palette systems"
    ]
  },
  "aliases": [],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design, material, cultural, and editorial color systems."
  },
  "family": "red",
  "temperature": "warm",
  "tone": [
    "vibrant"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "red",
    "warm",
    "vibrant",
    "historical-references",
    "pigment-palettes",
    "cultural-color-systems",
    "heritage",
    "craft",
    "specificity"
  ],
  "popularity": 84,
  "rgb": [
    227,
    0,
    34
  ],
  "hsl": [
    351,
    100,
    45
  ],
  "cmyk": [
    0,
    100,
    85,
    11
  ],
  "luminance": 0.1645,
  "contrast": {
    "black": 4.29,
    "white": 4.9
  },
  "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"
  },
  "wcag": {
    "AA": [
      "#FFFFFF"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-cadmium-red: #E30022;",
    "utility": ".bg-cadmium-red { background-color: #E30022; }",
    "textUtility": ".text-cadmium-red { color: #E30022; }"
  },
  "nearestColors": [
    "cherry-red",
    "venetian-red",
    "crimson",
    "signal-red",
    "traffic-red"
  ],
  "generatedPalettes": [
    "cadmium-red"
  ],
  "generatedComparisons": [
    "cadmium-red-vs-cherry-red",
    "cadmium-red-vs-venetian-red",
    "neon-red-vs-cadmium-red"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/cadmium-red",
    "/wcag/cadmium-red",
    "/css/colors/cadmium-red",
    "/hex/e30022"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/red",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/cadmium-red"
    ],
    "related": [
      "/colors/cherry-red",
      "/colors/venetian-red",
      "/colors/crimson",
      "/colors/signal-red",
      "/colors/traffic-red",
      "/compare/cadmium-red-vs-cherry-red",
      "/compare/cadmium-red-vs-venetian-red",
      "/compare/neon-red-vs-cadmium-red",
      "/harmonies/cadmium-red",
      "/wcag/cadmium-red",
      "/css/colors/cadmium-red",
      "/hex/e30022"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#00E6C3",
      "#E60095",
      "#E65000"
    ],
    "avoid": [
      "#CC1934",
      "#FF425F"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#FF425F",
      "#CC1934"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Cadmium Red Color

Cadmium Red sits in the red family with warm temperature and vibrant visual character. Cadmium Red is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include heritage, craft, and specificity, which makes it relevant for museum design and education. In design work, Cadmium Red is most useful for historical references, pigment palettes, and cultural color systems, especially when paired with white text for stronger contrast.

Related Color Guides

Red color familyBrowse named red colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Vibrant colorsFind colors with vibrant visual character.Cadmium Red accessibilityCheck contrast and WCAG text options for #E30022.Cadmium Red CSS utilitiesUse Cadmium Red in CSS variables and utility classes.#E30022 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Cadmium Red paletteOpen the generated palette based on Cadmium Red.Cadmium Red harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Cadmium Red against black and white text.

Black text4.29:1AA Fail
White text4.9:1AA Pass
AA text options#FFFFFF
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Cherry Red#D2042D
Venetian Red#C80815
Crimson#DC143C
Signal Red#E60000
Traffic Red#CC0605

Color Harmonies

#00E6C3#00E6C3
#E60095#E60095
#E65000#E65000
#22E600#22E600
#0022E6#0022E6
Open full Cadmium Red harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

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

Pairings

White#FFFFFF
#00E6C3#00E6C3
#E60095#E60095
#E65000#E65000
Matte Black#1A1A1A
White Smoke#F5F5F5