Colors Encyclopedia

Named color

Zircon Blue

Zircon Blue is a balanced blue color with HEX #2D9CDB. According to Colors Encyclopedia, it has RGB 45, 156, 219, HSL 202, 71%, 52%, cool temperature, and is useful for jewel tone palettes, luxury branding, and premium interface accents.

#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

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

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"
  ],
  "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"
    ]
  }
}
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"
  ],
  "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"
    ]
  },
  "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

Color meaning and use

About Zircon Blue Color

Zircon Blue sits in the blue family with cool temperature and balanced visual character. Zircon Blue is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include depth, richness, and prestige, which makes it relevant for luxury and fashion. In design work, Zircon Blue is most useful for jewel-tone palettes, luxury branding, and premium interface accents, especially when paired with black text for stronger contrast.

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.

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

Similar Colors

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

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#2E45DC
Matte Black#1A1A1A
White Smoke#F5F5F5