Colors Encyclopedia

Named color

Zircon Blue

Zircon Blue color #2D9CDB: RGB 45, 156, 219 and HSL 202°, 71%, 52%. Explore its cool blue profile, contrast, CSS, palettes and harmonies.

#2D9CDB blue cool balanced
HEX #2D9CDB
RGB rgb(45, 156, 219)
HSL hsl(202 71% 52%)
CMYK cmyk(79, 29, 0, 14)
Luminance 0.2945
Contrast Black 6.89:1White 3.05:1

Use this color

Create with Zircon Blue

Open a professional color tool with #2D9CDB 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 Zircon Blue 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-zircon-blue: #2D9CDB;
.bg-zircon-blue { background-color: #2D9CDB; }
.text-zircon-blue { color: #2D9CDB; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Zircon Blue Color

Zircon Blue uses HEX #2D9CDB, RGB 45, 156, 219, and HSL 202°, 71%, 52%. The dataset classifies it in the blue family with cool temperature and balanced visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.2945; black contrast is 6.89:1 and white contrast is 3.05:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Zircon Blue against black and white text.

Black text6.89:1AA Pass
White text3.05:1AA Fail
AA text options#000000, #1A1A1A
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Zircon Blue Color Reference Infographic

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

1200 × 800
Zircon Blue color reference infographic showing #2D9CDB, RGB and HSL values, a coordinated palette, and black and white text contrast.
Zircon Blue color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#DC6D2E#DC6D2E#2EDCC4#2EDCC4#2E45DC#2E45DC#DC2E9C#DC2E9C#9CDC2E#9CDC2E
Open full Zircon Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#7CC1E9#7CC1E9#196794#196794#13A3F6#13A3F6#4995C1#4995C1#A4CDE5#A4CDE5#33B4FF#33B4FF

Pairings

Black#000000#DC6D2E#DC6D2E#2EDCC4#2EDCC4#2E45DC#2E45DCMatte 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
Luminance0.2945
Black text6.89:1AA Pass
White text3.05:1AA Fail
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": "#2D9CDB",
  "rgb": [
    45,
    156,
    219
  ],
  "hsl": [
    202,
    71,
    52
  ],
  "cmyk": [
    79,
    29,
    0,
    14
  ],
  "luminance": 0.2945,
  "contrast": {
    "black": 6.89,
    "white": 3.05
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#DC6D2E",
  "analogous": [
    "#2EDCC4",
    "#2E45DC"
  ],
  "triadic": [
    "#DC2E9C",
    "#9CDC2E"
  ],
  "tetradic": [
    "#C42EDC",
    "#DC6D2E",
    "#45DC2E"
  ],
  "splitComplementary": [
    "#DC2E45",
    "#DCC42E"
  ],
  "monochromatic": [
    "#7CC1E9",
    "#2D9CDB",
    "#196794"
  ]
}
Variants
{
  "light": "#7CC1E9",
  "dark": "#196794",
  "saturated": "#13A3F6",
  "desaturated": "#4995C1",
  "pastel": "#A4CDE5",
  "neon": "#33B4FF"
}
Pairings
{
  "best": [
    "#000000",
    "#DC6D2E",
    "#2EDCC4",
    "#2E45DC"
  ],
  "avoid": [
    "#4995C1",
    "#7CC1E9"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#7CC1E9",
    "#4995C1"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "dodger-blue",
    "steel-blue",
    "royal-blue",
    "verdigris",
    "light-sea-green"
  ],
  "generatedPalettes": [
    "zircon-blue"
  ],
  "generatedComparisons": [
    "dodger-blue-vs-zircon-blue",
    "zircon-blue-vs-steel-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/zircon-blue",
    "/wcag/zircon-blue",
    "/css/colors/zircon-blue",
    "/hex/2d9cdb",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/balanced"
    ],
    "narrower": [
      "/palettes/zircon-blue"
    ],
    "related": [
      "/colors/dodger-blue",
      "/colors/steel-blue",
      "/colors/royal-blue",
      "/colors/verdigris",
      "/colors/light-sea-green",
      "/compare/dodger-blue-vs-zircon-blue",
      "/compare/zircon-blue-vs-steel-blue",
      "/harmonies/zircon-blue",
      "/wcag/zircon-blue",
      "/css/colors/zircon-blue",
      "/hex/2d9cdb",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "zircon-blue",
  "name": "Zircon Blue",
  "hex": "#2D9CDB",
  "uses": [
    "jewel-tone palettes",
    "luxury branding",
    "premium interface accents"
  ],
  "psychology": {
    "associations": [
      "depth",
      "richness",
      "prestige"
    ],
    "contexts": [
      "luxury",
      "fashion",
      "beauty",
      "editorial design"
    ],
    "avoidIn": [
      "minimal compliance dashboards"
    ]
  },
  "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": "blue",
  "temperature": "cool",
  "tone": [
    "balanced"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "blue",
    "cool",
    "balanced",
    "jewel-tone-palettes",
    "luxury-branding",
    "premium-interface-accents",
    "depth",
    "richness",
    "prestige"
  ],
  "popularity": 80,
  "rgb": [
    45,
    156,
    219
  ],
  "hsl": [
    202,
    71,
    52
  ],
  "cmyk": [
    79,
    29,
    0,
    14
  ],
  "luminance": 0.2945,
  "contrast": {
    "black": 6.89,
    "white": 3.05
  },
  "harmonies": {
    "complementary": "#DC6D2E",
    "analogous": [
      "#2EDCC4",
      "#2E45DC"
    ],
    "triadic": [
      "#DC2E9C",
      "#9CDC2E"
    ],
    "tetradic": [
      "#C42EDC",
      "#DC6D2E",
      "#45DC2E"
    ],
    "splitComplementary": [
      "#DC2E45",
      "#DCC42E"
    ],
    "monochromatic": [
      "#7CC1E9",
      "#2D9CDB",
      "#196794"
    ]
  },
  "variants": {
    "light": "#7CC1E9",
    "dark": "#196794",
    "saturated": "#13A3F6",
    "desaturated": "#4995C1",
    "pastel": "#A4CDE5",
    "neon": "#33B4FF"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-zircon-blue: #2D9CDB;",
    "utility": ".bg-zircon-blue { background-color: #2D9CDB; }",
    "textUtility": ".text-zircon-blue { color: #2D9CDB; }"
  },
  "nearestColors": [
    "dodger-blue",
    "steel-blue",
    "royal-blue",
    "verdigris",
    "light-sea-green"
  ],
  "generatedPalettes": [
    "zircon-blue"
  ],
  "generatedComparisons": [
    "dodger-blue-vs-zircon-blue",
    "zircon-blue-vs-steel-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/zircon-blue",
    "/wcag/zircon-blue",
    "/css/colors/zircon-blue",
    "/hex/2d9cdb",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/balanced"
    ],
    "narrower": [
      "/palettes/zircon-blue"
    ],
    "related": [
      "/colors/dodger-blue",
      "/colors/steel-blue",
      "/colors/royal-blue",
      "/colors/verdigris",
      "/colors/light-sea-green",
      "/compare/dodger-blue-vs-zircon-blue",
      "/compare/zircon-blue-vs-steel-blue",
      "/harmonies/zircon-blue",
      "/wcag/zircon-blue",
      "/css/colors/zircon-blue",
      "/hex/2d9cdb",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#DC6D2E",
      "#2EDCC4",
      "#2E45DC"
    ],
    "avoid": [
      "#4995C1",
      "#7CC1E9"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#7CC1E9",
      "#4995C1"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Dodger Blue#1E90FF
Steel Blue#4682B4
Royal Blue#4169E1
Verdigris#43B3AE
Light Sea Green#20B2AA

Related Color Guides

Blue color familyBrowse named blue colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Balanced colorsFind colors with balanced visual character.Zircon Blue accessibilityCheck contrast and WCAG text options for #2D9CDB.Zircon Blue CSS utilitiesUse Zircon Blue in CSS variables and utility classes.#2D9CDB HEX atlasOpen the permanent HEX atlas record for conversions and variants.Zircon Blue paletteOpen the generated palette based on Zircon Blue.Zircon Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.