Colors Encyclopedia

Named color

Signal Red

Signal Red color #E60000: RGB 230, 0, 0 and HSL 0°, 100%, 45%. Explore its warm red profile, contrast, CSS, palettes and harmonies.

#E60000 red warm vibrant
HEX #E60000
RGB rgb(230, 0, 0)
HSL hsl(0 100% 45%)
CMYK cmyk(0, 100, 100, 10)
Luminance 0.1682
Contrast Black 4.36:1White 4.81:1

Use this color

Create with Signal Red

Open a professional color tool with #E60000 already applied. Each configuration stays canonical to the tool and can be adjusted or shared.

All color tools
Generate palette & CSS variablesCreate 50–950 tokens and export CSS, SCSS, JSON, or Tailwind.Open configured tool →Open in Gradient StudioStart with Signal Red and its complementary color.Open configured tool →Mix this colorBlend it with a complementary color and copy color-mix() CSS.Open configured tool →Check contrastOpen the strongest black or white background pairing.Open configured tool →Accessible combinationsReview AA and AAA text options, alternatives, warnings, and UI guidance.Open configured tool →Create glass surfaceUse this color as the tint for a translucent UI panel.Open configured tool →

CSS Utilities

--color-signal-red: #E60000;
.bg-signal-red { background-color: #E60000; }
.text-signal-red { color: #E60000; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Signal Red Color

Signal Red uses HEX #E60000, RGB 230, 0, 0, and HSL 0°, 100%, 45%. The dataset classifies it in the red family with warm temperature and vibrant visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.1682; black contrast is 4.36:1 and white contrast is 4.81:1, making white the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Signal Red against black and white text.

Black text4.36:1AA Fail
White text4.81:1AA Pass
AA text options#FFFFFF
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Signal Red Color Reference Infographic

Save a high-resolution infographic of Signal Red, including its color values, coordinated palette, and black and white text contrast.

1200 × 800
Signal Red color reference infographic showing #E60000, RGB and HSL values, a coordinated palette, and black and white text contrast.
Signal Red color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#00E5E6#00E5E6#E60073#E60073#E67300#E67300#00E600#00E600#0000E6#0000E6
Open full Signal Red harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#FF4242#FF4242#8A0000#8A0000Signal Red#E60000#CC1919#CC1919#F47171#F47171#FF0F0F#FF0F0F

Pairings

White#FFFFFF#00E5E6#00E5E6#E60073#E60073#E67300#E67300Matte Black#1A1A1AWhite Smoke#F5F5F5

Machine-readable data

Machine-Readable Color Data (JSON)

Perfect for CSS, design systems, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.1682
Black text4.36:1AA Fail
White text4.81:1AA 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": "#E60000",
  "rgb": [
    230,
    0,
    0
  ],
  "hsl": [
    0,
    100,
    45
  ],
  "cmyk": [
    0,
    100,
    100,
    10
  ],
  "luminance": 0.1682,
  "contrast": {
    "black": 4.36,
    "white": 4.81
  }
}
WCAG
{
  "AA": [
    "#FFFFFF"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#00E5E6",
  "analogous": [
    "#E60073",
    "#E67300"
  ],
  "triadic": [
    "#00E600",
    "#0000E6"
  ],
  "tetradic": [
    "#73E600",
    "#00E5E6",
    "#7300E6"
  ],
  "splitComplementary": [
    "#00E673",
    "#0073E6"
  ],
  "monochromatic": [
    "#FF4242",
    "#E60000",
    "#8A0000"
  ]
}
Variants
{
  "light": "#FF4242",
  "dark": "#8A0000",
  "saturated": "#E60000",
  "desaturated": "#CC1919",
  "pastel": "#F47171",
  "neon": "#FF0F0F"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#00E5E6",
    "#E60073",
    "#E67300"
  ],
  "avoid": [
    "#CC1919",
    "#FF4242"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#FF4242",
    "#CC1919"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "red",
    "traffic-red",
    "cadmium-red",
    "venetian-red",
    "scarlet"
  ],
  "generatedPalettes": [
    "signal-red"
  ],
  "generatedComparisons": [
    "red-vs-signal-red",
    "signal-red-vs-traffic-red"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/signal-red",
    "/wcag/signal-red",
    "/css/colors/signal-red",
    "/hex/e60000",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/red",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/signal-red"
    ],
    "related": [
      "/colors/red",
      "/colors/traffic-red",
      "/colors/cadmium-red",
      "/colors/venetian-red",
      "/colors/scarlet",
      "/compare/red-vs-signal-red",
      "/compare/signal-red-vs-traffic-red",
      "/harmonies/signal-red",
      "/wcag/signal-red",
      "/css/colors/signal-red",
      "/hex/e60000",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "signal-red",
  "name": "Signal Red",
  "hex": "#E60000",
  "uses": [
    "neon accents",
    "event graphics",
    "high-energy digital design"
  ],
  "psychology": {
    "associations": [
      "energy",
      "visibility",
      "motion"
    ],
    "contexts": [
      "gaming",
      "music events",
      "sportswear",
      "nightlife"
    ],
    "avoidIn": [
      "long reading interfaces"
    ]
  },
  "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",
    "neon-accents",
    "event-graphics",
    "high-energy-digital-design",
    "energy",
    "visibility",
    "motion"
  ],
  "popularity": 84,
  "rgb": [
    230,
    0,
    0
  ],
  "hsl": [
    0,
    100,
    45
  ],
  "cmyk": [
    0,
    100,
    100,
    10
  ],
  "luminance": 0.1682,
  "contrast": {
    "black": 4.36,
    "white": 4.81
  },
  "harmonies": {
    "complementary": "#00E5E6",
    "analogous": [
      "#E60073",
      "#E67300"
    ],
    "triadic": [
      "#00E600",
      "#0000E6"
    ],
    "tetradic": [
      "#73E600",
      "#00E5E6",
      "#7300E6"
    ],
    "splitComplementary": [
      "#00E673",
      "#0073E6"
    ],
    "monochromatic": [
      "#FF4242",
      "#E60000",
      "#8A0000"
    ]
  },
  "variants": {
    "light": "#FF4242",
    "dark": "#8A0000",
    "saturated": "#E60000",
    "desaturated": "#CC1919",
    "pastel": "#F47171",
    "neon": "#FF0F0F"
  },
  "wcag": {
    "AA": [
      "#FFFFFF"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-signal-red: #E60000;",
    "utility": ".bg-signal-red { background-color: #E60000; }",
    "textUtility": ".text-signal-red { color: #E60000; }"
  },
  "nearestColors": [
    "red",
    "traffic-red",
    "cadmium-red",
    "venetian-red",
    "scarlet"
  ],
  "generatedPalettes": [
    "signal-red"
  ],
  "generatedComparisons": [
    "red-vs-signal-red",
    "signal-red-vs-traffic-red"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/signal-red",
    "/wcag/signal-red",
    "/css/colors/signal-red",
    "/hex/e60000",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/red",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/signal-red"
    ],
    "related": [
      "/colors/red",
      "/colors/traffic-red",
      "/colors/cadmium-red",
      "/colors/venetian-red",
      "/colors/scarlet",
      "/compare/red-vs-signal-red",
      "/compare/signal-red-vs-traffic-red",
      "/harmonies/signal-red",
      "/wcag/signal-red",
      "/css/colors/signal-red",
      "/hex/e60000",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#00E5E6",
      "#E60073",
      "#E67300"
    ],
    "avoid": [
      "#CC1919",
      "#FF4242"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#FF4242",
      "#CC1919"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Red#FF0000
Traffic Red#CC0605
Cadmium Red#E30022
Venetian Red#C80815
Scarlet#FF2400

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.Signal Red accessibilityCheck contrast and WCAG text options for #E60000.Signal Red CSS utilitiesUse Signal Red in CSS variables and utility classes.#E60000 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Signal Red paletteOpen the generated palette based on Signal Red.Signal Red harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.