Colors Encyclopedia

Named color

Asphalt

Asphalt color #2B2B2B: RGB 43, 43, 43 and HSL 0°, 0%, 17%. Explore its neutral gray profile, contrast, CSS, palettes and harmonies.

#2B2B2B gray neutral dark
HEX #2B2B2B
RGB rgb(43, 43, 43)
HSL hsl(0 0% 17%)
CMYK cmyk(0, 0, 0, 83)
Luminance 0.0242
Contrast Black 1.48:1White 14.15:1

Use this color

Create with Asphalt

Open a professional color tool with #2B2B2B 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 Asphalt 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-asphalt: #2B2B2B;
.bg-asphalt { background-color: #2B2B2B; }
.text-asphalt { color: #2B2B2B; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Asphalt Color

Asphalt uses HEX #2B2B2B, RGB 43, 43, 43, and HSL 0°, 0%, 17%. The dataset classifies it in the gray family with neutral temperature and dark visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.0242; black contrast is 1.48:1 and white contrast is 14.15:1, making white the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Asphalt against black and white text.

Black text1.48:1AA Fail
White text14.15:1AA 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

Asphalt Color Reference Infographic

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

1200 × 800
Asphalt color reference infographic showing #2B2B2B, RGB and HSL values, a coordinated palette, and black and white text contrast.
Asphalt color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

Asphalt#2B2B2BAsphalt#2B2B2BAsphalt#2B2B2BAsphalt#2B2B2BAsphalt#2B2B2B
Open full Asphalt harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#595959#595959Black#000000#352222#352222Asphalt#2B2B2B#6B6B6B#6B6B6BMaroon#800000

Pairings

White#FFFFFFAsphalt#2B2B2BAsphalt#2B2B2BAsphalt#2B2B2BMatte 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
Luminance0.0242
Black text1.48:1AA Fail
White text14.15:1AA 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": "#2B2B2B",
  "rgb": [
    43,
    43,
    43
  ],
  "hsl": [
    0,
    0,
    17
  ],
  "cmyk": [
    0,
    0,
    0,
    83
  ],
  "luminance": 0.0242,
  "contrast": {
    "black": 1.48,
    "white": 14.15
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF",
    "#F5F5F5"
  ]
}
Harmonies
{
  "complementary": "#2B2B2B",
  "analogous": [
    "#2B2B2B",
    "#2B2B2B"
  ],
  "triadic": [
    "#2B2B2B",
    "#2B2B2B"
  ],
  "tetradic": [
    "#2B2B2B",
    "#2B2B2B",
    "#2B2B2B"
  ],
  "splitComplementary": [
    "#2B2B2B",
    "#2B2B2B"
  ],
  "monochromatic": [
    "#595959",
    "#2B2B2B",
    "#000000"
  ]
}
Variants
{
  "light": "#595959",
  "dark": "#000000",
  "saturated": "#352222",
  "desaturated": "#2B2B2B",
  "pastel": "#6B6B6B",
  "neon": "#800000"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#2B2B2B",
    "#2B2B2B",
    "#2B2B2B"
  ],
  "avoid": [
    "#2B2B2B",
    "#595959"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#595959",
    "#2B2B2B"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "slate-black",
    "rubber",
    "raisin",
    "charcoal-blue",
    "jet"
  ],
  "generatedPalettes": [
    "asphalt"
  ],
  "generatedComparisons": [
    "asphalt-vs-rubber",
    "asphalt-vs-slate-black"
  ],
  "relatedFamilies": [
    "/colors/by-family/gray",
    "/colors/by-temperature/neutral",
    "/colors/by-tone/dark"
  ],
  "relatedTools": [
    "/harmonies/asphalt",
    "/wcag/asphalt",
    "/css/colors/asphalt",
    "/hex/2b2b2b",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/gray",
      "/colors/by-temperature/neutral",
      "/colors/by-tone/dark"
    ],
    "narrower": [
      "/palettes/asphalt"
    ],
    "related": [
      "/colors/slate-black",
      "/colors/rubber",
      "/colors/raisin",
      "/colors/charcoal-blue",
      "/colors/jet",
      "/compare/asphalt-vs-rubber",
      "/compare/asphalt-vs-slate-black",
      "/harmonies/asphalt",
      "/wcag/asphalt",
      "/css/colors/asphalt",
      "/hex/2b2b2b",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "asphalt",
  "name": "Asphalt",
  "hex": "#2B2B2B",
  "uses": [
    "industrial design",
    "safety systems",
    "hardware palettes"
  ],
  "psychology": {
    "associations": [
      "utility",
      "visibility",
      "precision"
    ],
    "contexts": [
      "transportation",
      "tools",
      "hardware",
      "signage"
    ],
    "avoidIn": [
      "soft wellness palettes"
    ]
  },
  "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": "gray",
  "temperature": "neutral",
  "tone": [
    "dark"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "gray",
    "neutral",
    "dark",
    "industrial-design",
    "safety-systems",
    "hardware-palettes",
    "utility",
    "visibility",
    "precision"
  ],
  "popularity": 84,
  "rgb": [
    43,
    43,
    43
  ],
  "hsl": [
    0,
    0,
    17
  ],
  "cmyk": [
    0,
    0,
    0,
    83
  ],
  "luminance": 0.0242,
  "contrast": {
    "black": 1.48,
    "white": 14.15
  },
  "harmonies": {
    "complementary": "#2B2B2B",
    "analogous": [
      "#2B2B2B",
      "#2B2B2B"
    ],
    "triadic": [
      "#2B2B2B",
      "#2B2B2B"
    ],
    "tetradic": [
      "#2B2B2B",
      "#2B2B2B",
      "#2B2B2B"
    ],
    "splitComplementary": [
      "#2B2B2B",
      "#2B2B2B"
    ],
    "monochromatic": [
      "#595959",
      "#2B2B2B",
      "#000000"
    ]
  },
  "variants": {
    "light": "#595959",
    "dark": "#000000",
    "saturated": "#352222",
    "desaturated": "#2B2B2B",
    "pastel": "#6B6B6B",
    "neon": "#800000"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  "css": {
    "variable": "--color-asphalt: #2B2B2B;",
    "utility": ".bg-asphalt { background-color: #2B2B2B; }",
    "textUtility": ".text-asphalt { color: #2B2B2B; }"
  },
  "nearestColors": [
    "slate-black",
    "rubber",
    "raisin",
    "charcoal-blue",
    "jet"
  ],
  "generatedPalettes": [
    "asphalt"
  ],
  "generatedComparisons": [
    "asphalt-vs-rubber",
    "asphalt-vs-slate-black"
  ],
  "relatedFamilies": [
    "/colors/by-family/gray",
    "/colors/by-temperature/neutral",
    "/colors/by-tone/dark"
  ],
  "relatedTools": [
    "/harmonies/asphalt",
    "/wcag/asphalt",
    "/css/colors/asphalt",
    "/hex/2b2b2b",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/gray",
      "/colors/by-temperature/neutral",
      "/colors/by-tone/dark"
    ],
    "narrower": [
      "/palettes/asphalt"
    ],
    "related": [
      "/colors/slate-black",
      "/colors/rubber",
      "/colors/raisin",
      "/colors/charcoal-blue",
      "/colors/jet",
      "/compare/asphalt-vs-rubber",
      "/compare/asphalt-vs-slate-black",
      "/harmonies/asphalt",
      "/wcag/asphalt",
      "/css/colors/asphalt",
      "/hex/2b2b2b",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#2B2B2B",
      "#2B2B2B",
      "#2B2B2B"
    ],
    "avoid": [
      "#2B2B2B",
      "#595959"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#595959",
      "#2B2B2B"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Slate Black#26282A
Rubber#2A2725
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Jet#343434

Related Color Guides

Gray color familyBrowse named gray colors and compare nearby swatches.Neutral colorsExplore colors with neutral temperature behavior.Dark colorsFind colors with dark visual character.Asphalt accessibilityCheck contrast and WCAG text options for #2B2B2B.Asphalt CSS utilitiesUse Asphalt in CSS variables and utility classes.#2B2B2B HEX atlasOpen the permanent HEX atlas record for conversions and variants.Asphalt paletteOpen the generated palette based on Asphalt.Asphalt harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.