Colors Encyclopedia

Named color

Oxblood

Oxblood color #4A0000: RGB 74, 0, 0 and HSL 0°, 100%, 15%. Explore its warm red profile, contrast, CSS, palettes and harmonies.

#4A0000 red warm dark
HEX #4A0000
RGB rgb(74, 0, 0)
HSL hsl(0 100% 15%)
CMYK cmyk(0, 100, 100, 71)
Luminance 0.0146
Contrast Black 1.29:1White 16.25:1

Use this color

Create with Oxblood

Open a professional color tool with #4A0000 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 Oxblood 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-oxblood: #4A0000;
.bg-oxblood { background-color: #4A0000; }
.text-oxblood { color: #4A0000; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Oxblood Color

Oxblood uses HEX #4A0000, RGB 74, 0, 0, and HSL 0°, 100%, 15%. The dataset classifies it in the red family with warm temperature and dark visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.0146; black contrast is 1.29:1 and white contrast is 16.25:1, making white the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Oxblood against black and white text.

Black text1.29:1AA Fail
White text16.25:1AA 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

Oxblood Color Reference Infographic

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

1200 × 800
Oxblood color reference infographic showing #4A0000, RGB and HSL values, a coordinated palette, and black and white text contrast.
Oxblood color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#004C4D#004C4D#4D0026#4D0026#4D2600#4D2600#004D00#004D00#00004D#00004D
Open full Oxblood harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#A80000#A80000Black#000000#4D0000#4D0000#440808#440808#BD0F0F#BD0F0F#750000#750000

Pairings

White#FFFFFF#004C4D#004C4D#4D0026#4D0026#4D2600#4D2600Matte 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
Luminance0.0146
Black text1.29:1AA Fail
White text16.25:1AA 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": "#4A0000",
  "rgb": [
    74,
    0,
    0
  ],
  "hsl": [
    0,
    100,
    15
  ],
  "cmyk": [
    0,
    100,
    100,
    71
  ],
  "luminance": 0.0146,
  "contrast": {
    "black": 1.29,
    "white": 16.25
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF",
    "#F5F5F5"
  ]
}
Harmonies
{
  "complementary": "#004C4D",
  "analogous": [
    "#4D0026",
    "#4D2600"
  ],
  "triadic": [
    "#004D00",
    "#00004D"
  ],
  "tetradic": [
    "#264D00",
    "#004C4D",
    "#26004D"
  ],
  "splitComplementary": [
    "#004D26",
    "#00264D"
  ],
  "monochromatic": [
    "#A80000",
    "#4A0000",
    "#000000"
  ]
}
Variants
{
  "light": "#A80000",
  "dark": "#000000",
  "saturated": "#4D0000",
  "desaturated": "#440808",
  "pastel": "#BD0F0F",
  "neon": "#750000"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#004C4D",
    "#4D0026",
    "#4D2600"
  ],
  "avoid": [
    "#440808",
    "#A80000"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#A80000",
    "#440808"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "barn-red",
    "maroon",
    "merlot",
    "matte-black",
    "carbon-fiber"
  ],
  "generatedPalettes": [
    "oxblood"
  ],
  "generatedComparisons": [
    "oxblood-vs-barn-red",
    "oxblood-vs-maroon"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/dark"
  ],
  "relatedTools": [
    "/harmonies/oxblood",
    "/wcag/oxblood",
    "/css/colors/oxblood",
    "/hex/4a0000",
    "/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/dark"
    ],
    "narrower": [
      "/palettes/oxblood"
    ],
    "related": [
      "/colors/barn-red",
      "/colors/maroon",
      "/colors/merlot",
      "/colors/matte-black",
      "/colors/carbon-fiber",
      "/compare/oxblood-vs-barn-red",
      "/compare/oxblood-vs-maroon",
      "/harmonies/oxblood",
      "/wcag/oxblood",
      "/css/colors/oxblood",
      "/hex/4a0000",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "oxblood",
  "name": "Oxblood",
  "hex": "#4A0000",
  "uses": [
    "branding accents",
    "editorial palettes",
    "product design"
  ],
  "psychology": {
    "associations": [
      "energy",
      "intensity",
      "attention"
    ],
    "contexts": [
      "fashion",
      "food",
      "sports",
      "retail"
    ],
    "avoidIn": [
      "low-stimulation wellness 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 and editorial color systems."
  },
  "family": "red",
  "temperature": "warm",
  "tone": [
    "dark"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "red",
    "warm",
    "dark",
    "branding-accents",
    "editorial-palettes",
    "product-design",
    "energy",
    "intensity",
    "attention"
  ],
  "popularity": 84,
  "rgb": [
    74,
    0,
    0
  ],
  "hsl": [
    0,
    100,
    15
  ],
  "cmyk": [
    0,
    100,
    100,
    71
  ],
  "luminance": 0.0146,
  "contrast": {
    "black": 1.29,
    "white": 16.25
  },
  "harmonies": {
    "complementary": "#004C4D",
    "analogous": [
      "#4D0026",
      "#4D2600"
    ],
    "triadic": [
      "#004D00",
      "#00004D"
    ],
    "tetradic": [
      "#264D00",
      "#004C4D",
      "#26004D"
    ],
    "splitComplementary": [
      "#004D26",
      "#00264D"
    ],
    "monochromatic": [
      "#A80000",
      "#4A0000",
      "#000000"
    ]
  },
  "variants": {
    "light": "#A80000",
    "dark": "#000000",
    "saturated": "#4D0000",
    "desaturated": "#440808",
    "pastel": "#BD0F0F",
    "neon": "#750000"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  "css": {
    "variable": "--color-oxblood: #4A0000;",
    "utility": ".bg-oxblood { background-color: #4A0000; }",
    "textUtility": ".text-oxblood { color: #4A0000; }"
  },
  "nearestColors": [
    "barn-red",
    "maroon",
    "merlot",
    "matte-black",
    "carbon-fiber"
  ],
  "generatedPalettes": [
    "oxblood"
  ],
  "generatedComparisons": [
    "oxblood-vs-barn-red",
    "oxblood-vs-maroon"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/dark"
  ],
  "relatedTools": [
    "/harmonies/oxblood",
    "/wcag/oxblood",
    "/css/colors/oxblood",
    "/hex/4a0000",
    "/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/dark"
    ],
    "narrower": [
      "/palettes/oxblood"
    ],
    "related": [
      "/colors/barn-red",
      "/colors/maroon",
      "/colors/merlot",
      "/colors/matte-black",
      "/colors/carbon-fiber",
      "/compare/oxblood-vs-barn-red",
      "/compare/oxblood-vs-maroon",
      "/harmonies/oxblood",
      "/wcag/oxblood",
      "/css/colors/oxblood",
      "/hex/4a0000",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#004C4D",
      "#4D0026",
      "#4D2600"
    ],
    "avoid": [
      "#440808",
      "#A80000"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#A80000",
      "#440808"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Barn Red#7C0A02
Maroon#800000
Merlot#541E2E
Matte Black#1A1A1A
Carbon Fiber#1C1C1C

Related Color Guides

Red color familyBrowse named red colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Dark colorsFind colors with dark visual character.Oxblood accessibilityCheck contrast and WCAG text options for #4A0000.Oxblood CSS utilitiesUse Oxblood in CSS variables and utility classes.#4A0000 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Oxblood paletteOpen the generated palette based on Oxblood.Oxblood harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.