Colors Encyclopedia

Named color

Persian Blue

Persian Blue is a vibrant and jewel tone blue color with HEX #1C39BB. According to Colors Encyclopedia, it has RGB 28, 57, 187, HSL 229, 74%, 42%, cool temperature, and is useful for historical references, pigment palettes, and cultural color systems.

#1C39BB blue cool vibrantjewel-tone
HEX #1C39BB
RGB rgb(28, 57, 187)
HSL hsl(229 74% 42%)
CMYK cmyk(85, 70, 0, 27)
Luminance 0.0676
Contrast Black 2.35:1White 8.93:1

CSS Utilities

--color-persian-blue: #1C39BB;
.bg-persian-blue { background-color: #1C39BB; }
.text-persian-blue { color: #1C39BB; }
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
Luminance0.0676
Black text2.35:1AA Fail
White text8.93:1AA 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": "#1C39BB",
  "rgb": [
    28,
    57,
    187
  ],
  "hsl": [
    229,
    74,
    42
  ],
  "cmyk": [
    85,
    70,
    0,
    27
  ],
  "luminance": 0.0676,
  "contrast": {
    "black": 2.35,
    "white": 8.93
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF",
    "#F5F5F5"
  ]
}
Harmonies
{
  "complementary": "#BA9D1C",
  "analogous": [
    "#1C88BA",
    "#4E1CBA"
  ],
  "triadic": [
    "#BA1C39",
    "#39BA1C"
  ],
  "tetradic": [
    "#BA1C88",
    "#BA9D1C",
    "#1CBA4E"
  ],
  "splitComplementary": [
    "#BA4E1C",
    "#88BA1C"
  ],
  "monochromatic": [
    "#4E69E4",
    "#1C39BB",
    "#10216A"
  ]
}
Variants
{
  "light": "#4E69E4",
  "dark": "#10216A",
  "saturated": "#042AD2",
  "desaturated": "#3348A3",
  "pastel": "#798BDC",
  "neon": "#002FFF"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#BA9D1C",
    "#1C88BA",
    "#4E1CBA"
  ],
  "avoid": [
    "#3348A3",
    "#4E69E4"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#4E69E4",
    "#3348A3"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "egyptian-blue",
    "sapphire",
    "violet-blue",
    "cobalt-blue",
    "denim"
  ],
  "generatedPalettes": [
    "persian-blue"
  ],
  "generatedComparisons": [
    "egyptian-blue-vs-persian-blue",
    "persian-blue-vs-sapphire",
    "violet-blue-vs-persian-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/persian-blue",
    "/wcag/persian-blue",
    "/css/colors/persian-blue",
    "/hex/1c39bb"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/vibrant",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/persian-blue"
    ],
    "related": [
      "/colors/egyptian-blue",
      "/colors/sapphire",
      "/colors/violet-blue",
      "/colors/cobalt-blue",
      "/colors/denim",
      "/compare/egyptian-blue-vs-persian-blue",
      "/compare/persian-blue-vs-sapphire",
      "/compare/violet-blue-vs-persian-blue",
      "/harmonies/persian-blue",
      "/wcag/persian-blue",
      "/css/colors/persian-blue",
      "/hex/1c39bb"
    ]
  }
}
Full JSON dataset 
{
  "slug": "persian-blue",
  "name": "Persian Blue",
  "hex": "#1C39BB",
  "uses": [
    "historical references",
    "pigment palettes",
    "cultural color systems"
  ],
  "psychology": {
    "associations": [
      "heritage",
      "craft",
      "specificity"
    ],
    "contexts": [
      "museum design",
      "education",
      "editorial research",
      "cultural references"
    ],
    "avoidIn": [
      "generic unlabeled palette systems"
    ]
  },
  "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": [
    "vibrant",
    "jewel-tone"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "blue",
    "cool",
    "vibrant",
    "jewel-tone",
    "historical-references",
    "pigment-palettes",
    "cultural-color-systems",
    "heritage",
    "craft",
    "specificity"
  ],
  "popularity": 84,
  "rgb": [
    28,
    57,
    187
  ],
  "hsl": [
    229,
    74,
    42
  ],
  "cmyk": [
    85,
    70,
    0,
    27
  ],
  "luminance": 0.0676,
  "contrast": {
    "black": 2.35,
    "white": 8.93
  },
  "harmonies": {
    "complementary": "#BA9D1C",
    "analogous": [
      "#1C88BA",
      "#4E1CBA"
    ],
    "triadic": [
      "#BA1C39",
      "#39BA1C"
    ],
    "tetradic": [
      "#BA1C88",
      "#BA9D1C",
      "#1CBA4E"
    ],
    "splitComplementary": [
      "#BA4E1C",
      "#88BA1C"
    ],
    "monochromatic": [
      "#4E69E4",
      "#1C39BB",
      "#10216A"
    ]
  },
  "variants": {
    "light": "#4E69E4",
    "dark": "#10216A",
    "saturated": "#042AD2",
    "desaturated": "#3348A3",
    "pastel": "#798BDC",
    "neon": "#002FFF"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  "css": {
    "variable": "--color-persian-blue: #1C39BB;",
    "utility": ".bg-persian-blue { background-color: #1C39BB; }",
    "textUtility": ".text-persian-blue { color: #1C39BB; }"
  },
  "nearestColors": [
    "egyptian-blue",
    "sapphire",
    "violet-blue",
    "cobalt-blue",
    "denim"
  ],
  "generatedPalettes": [
    "persian-blue"
  ],
  "generatedComparisons": [
    "egyptian-blue-vs-persian-blue",
    "persian-blue-vs-sapphire",
    "violet-blue-vs-persian-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/persian-blue",
    "/wcag/persian-blue",
    "/css/colors/persian-blue",
    "/hex/1c39bb"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/vibrant",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/persian-blue"
    ],
    "related": [
      "/colors/egyptian-blue",
      "/colors/sapphire",
      "/colors/violet-blue",
      "/colors/cobalt-blue",
      "/colors/denim",
      "/compare/egyptian-blue-vs-persian-blue",
      "/compare/persian-blue-vs-sapphire",
      "/compare/violet-blue-vs-persian-blue",
      "/harmonies/persian-blue",
      "/wcag/persian-blue",
      "/css/colors/persian-blue",
      "/hex/1c39bb"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#BA9D1C",
      "#1C88BA",
      "#4E1CBA"
    ],
    "avoid": [
      "#3348A3",
      "#4E69E4"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#4E69E4",
      "#3348A3"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Persian Blue Color

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

Its common associations include heritage, craft, and specificity, which makes it relevant for museum design and education. In design work, Persian Blue is most useful for historical references, pigment palettes, and cultural color systems, especially when paired with white text for stronger contrast.

Related Color Guides

Blue color familyBrowse named blue colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Vibrant colorsFind colors with vibrant visual character.Jewel Tone colorsFind colors with jewel tone visual character.Persian Blue accessibilityCheck contrast and WCAG text options for #1C39BB.Persian Blue CSS utilitiesUse Persian Blue in CSS variables and utility classes.#1C39BB HEX atlasOpen the permanent HEX atlas record for conversions and variants.Persian Blue paletteOpen the generated palette based on Persian Blue.Persian Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Persian Blue against black and white text.

Black text2.35:1AA Fail
White text8.93:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text options#FFFFFF, #F5F5F5
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Egyptian Blue#1034A6
Sapphire#0F52BA
Violet Blue#324AB2
Cobalt Blue#0047AB
Denim#1560BD

Color Harmonies

#BA9D1C#BA9D1C
#1C88BA#1C88BA
#4E1CBA#4E1CBA
#BA1C39#BA1C39
#39BA1C#39BA1C
Open full Persian Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#4E69E4#4E69E4
#10216A#10216A
#042AD2#042AD2
#3348A3#3348A3
#798BDC#798BDC
#002FFF#002FFF

Pairings

White#FFFFFF
#BA9D1C#BA9D1C
#1C88BA#1C88BA
#4E1CBA#4E1CBA
Matte Black#1A1A1A
White Smoke#F5F5F5