Colors Encyclopedia

Named color

Ruby Red

Ruby Red color #9B111E: RGB 155, 17, 30 and HSL 354°, 80%, 34%. Explore its warm red profile, contrast, CSS, palettes and harmonies.

#9B111E red warm balanced
HEX #9B111E
RGB rgb(155, 17, 30)
HSL hsl(354 80% 34%)
CMYK cmyk(0, 89, 81, 39)
Luminance 0.0746
Contrast Black 2.49:1White 8.43:1

Use this color

Create with Ruby Red

Open a professional color tool with #9B111E 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 Ruby 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-ruby-red: #9B111E;
.bg-ruby-red { background-color: #9B111E; }
.text-ruby-red { color: #9B111E; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color history, meaning and use · Editorially reviewed

About Ruby Red Color

Ruby is the red variety of corundum. GIA explains that trace chromium creates the red color and can also produce fluorescence that intensifies its appearance. Natural rubies range from orangy red to purplish red, and small color differences can strongly affect how gems are classified and valued.

Ruby Red therefore works best as a gemstone-inspired family rather than a claim of exact mineral matching. In digital palettes it offers a dense, jewel-like accent suited to luxury, editorial, and ceremonial contexts. Dark surroundings can increase its visual drama, while warm white exposes whether the red leans toward orange or purple.

This HEX value is a practical digital reference; it cannot reproduce fluorescence, transparency, inclusions, cut, or lighting in a natural ruby.

WCAG Accessibility

Contrast checks for Ruby Red against black and white text.

Black text2.49:1AA Fail
White text8.43:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text options#FFFFFF, #F5F5F5
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Ruby Red Color Reference Infographic

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

1200 × 800
Ruby Red color reference infographic showing #9B111E, RGB and HSL values, a coordinated palette, and black and white text contrast.
Ruby Red color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#119C8E#119C8E#9C1165#9C1165#9C4911#9C4911#1F9C11#1F9C11#111F9C#111F9C
Open full Ruby Red harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#E72336#E72336#49080F#49080F#AD0011#AD0011#89242E#89242E#DA5260#DA5260#D60015#D60015

Pairings

White#FFFFFF#119C8E#119C8E#9C1165#9C1165#9C4911#9C4911Matte 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
Luminance0.0746
Black text2.49:1AA Fail
White text8.43:1AA 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": "#9B111E",
  "rgb": [
    155,
    17,
    30
  ],
  "hsl": [
    354,
    80,
    34
  ],
  "cmyk": [
    0,
    89,
    81,
    39
  ],
  "luminance": 0.0746,
  "contrast": {
    "black": 2.49,
    "white": 8.43
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF",
    "#F5F5F5"
  ]
}
Harmonies
{
  "complementary": "#119C8E",
  "analogous": [
    "#9C1165",
    "#9C4911"
  ],
  "triadic": [
    "#1F9C11",
    "#111F9C"
  ],
  "tetradic": [
    "#659C11",
    "#119C8E",
    "#49119C"
  ],
  "splitComplementary": [
    "#119C49",
    "#11659C"
  ],
  "monochromatic": [
    "#E72336",
    "#9B111E",
    "#49080F"
  ]
}
Variants
{
  "light": "#E72336",
  "dark": "#49080F",
  "saturated": "#AD0011",
  "desaturated": "#89242E",
  "pastel": "#DA5260",
  "neon": "#D60015"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#119C8E",
    "#9C1165",
    "#9C4911"
  ],
  "avoid": [
    "#89242E",
    "#E72336"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#E72336",
    "#89242E"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "carmine",
    "cranberry",
    "tool-red",
    "anodized-red",
    "firebrick"
  ],
  "generatedPalettes": [
    "ruby-red"
  ],
  "generatedComparisons": [
    "carmine-vs-ruby-red",
    "ruby-red-vs-cranberry"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/ruby-red",
    "/wcag/ruby-red",
    "/css/colors/ruby-red",
    "/hex/9b111e",
    "/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/balanced"
    ],
    "narrower": [
      "/palettes/ruby-red"
    ],
    "related": [
      "/colors/carmine",
      "/colors/cranberry",
      "/colors/tool-red",
      "/colors/anodized-red",
      "/colors/firebrick",
      "/compare/carmine-vs-ruby-red",
      "/compare/ruby-red-vs-cranberry",
      "/harmonies/ruby-red",
      "/wcag/ruby-red",
      "/css/colors/ruby-red",
      "/hex/9b111e",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "ruby-red",
  "name": "Ruby Red",
  "hex": "#9B111E",
  "uses": [
    "branding accents",
    "editorial palettes",
    "product design"
  ],
  "psychology": {
    "associations": [
      "energy",
      "intensity",
      "attention"
    ],
    "contexts": [
      "fashion",
      "food",
      "sports",
      "retail"
    ],
    "avoidIn": [
      "low-stimulation wellness interfaces"
    ]
  },
  "aliases": [
    "ruby"
  ],
  "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 and editorial color systems."
  },
  "family": "red",
  "temperature": "warm",
  "tone": [
    "balanced"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "red",
    "warm",
    "balanced",
    "branding-accents",
    "editorial-palettes",
    "product-design",
    "energy",
    "intensity",
    "attention"
  ],
  "popularity": 84,
  "rgb": [
    155,
    17,
    30
  ],
  "hsl": [
    354,
    80,
    34
  ],
  "cmyk": [
    0,
    89,
    81,
    39
  ],
  "luminance": 0.0746,
  "contrast": {
    "black": 2.49,
    "white": 8.43
  },
  "harmonies": {
    "complementary": "#119C8E",
    "analogous": [
      "#9C1165",
      "#9C4911"
    ],
    "triadic": [
      "#1F9C11",
      "#111F9C"
    ],
    "tetradic": [
      "#659C11",
      "#119C8E",
      "#49119C"
    ],
    "splitComplementary": [
      "#119C49",
      "#11659C"
    ],
    "monochromatic": [
      "#E72336",
      "#9B111E",
      "#49080F"
    ]
  },
  "variants": {
    "light": "#E72336",
    "dark": "#49080F",
    "saturated": "#AD0011",
    "desaturated": "#89242E",
    "pastel": "#DA5260",
    "neon": "#D60015"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  "css": {
    "variable": "--color-ruby-red: #9B111E;",
    "utility": ".bg-ruby-red { background-color: #9B111E; }",
    "textUtility": ".text-ruby-red { color: #9B111E; }"
  },
  "nearestColors": [
    "carmine",
    "cranberry",
    "tool-red",
    "anodized-red",
    "firebrick"
  ],
  "generatedPalettes": [
    "ruby-red"
  ],
  "generatedComparisons": [
    "carmine-vs-ruby-red",
    "ruby-red-vs-cranberry"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/ruby-red",
    "/wcag/ruby-red",
    "/css/colors/ruby-red",
    "/hex/9b111e",
    "/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/balanced"
    ],
    "narrower": [
      "/palettes/ruby-red"
    ],
    "related": [
      "/colors/carmine",
      "/colors/cranberry",
      "/colors/tool-red",
      "/colors/anodized-red",
      "/colors/firebrick",
      "/compare/carmine-vs-ruby-red",
      "/compare/ruby-red-vs-cranberry",
      "/harmonies/ruby-red",
      "/wcag/ruby-red",
      "/css/colors/ruby-red",
      "/hex/9b111e",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#119C8E",
      "#9C1165",
      "#9C4911"
    ],
    "avoid": [
      "#89242E",
      "#E72336"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#E72336",
      "#89242E"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Carmine#960018
Cranberry#9F000F
Tool Red#B11226
Anodized Red#B00020
Firebrick#B22222

Related Color Guides

Red color familyBrowse named red colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Balanced colorsFind colors with balanced visual character.Ruby Red accessibilityCheck contrast and WCAG text options for #9B111E.Ruby Red CSS utilitiesUse Ruby Red in CSS variables and utility classes.#9B111E HEX atlasOpen the permanent HEX atlas record for conversions and variants.Ruby Red paletteOpen the generated palette based on Ruby Red.Ruby Red harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.