Colors Encyclopedia

Named color

Sapphire

Sapphire is a vibrant and jewel tone blue color with HEX #0F52BA. According to Colors Encyclopedia, it has RGB 15, 82, 186, HSL 216, 85%, 39%, cool temperature, and is useful for interfaces, brand systems, and technical design.

#0F52BA blue cool vibrantjewel-tone
HEX #0F52BA
RGB rgb(15, 82, 186)
HSL hsl(216 85% 39%)
CMYK cmyk(92, 56, 0, 27)
Luminance 0.0968
Contrast Black 2.94:1White 7.15:1

CSS Utilities

--color-sapphire: #0F52BA;
.bg-sapphire { background-color: #0F52BA; }
.text-sapphire { color: #0F52BA; }
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
Luminance0.0968
Black text2.94:1AA Fail
White text7.15:1AA 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": "#0F52BA",
  "rgb": [
    15,
    82,
    186
  ],
  "hsl": [
    216,
    85,
    39
  ],
  "cmyk": [
    92,
    56,
    0,
    27
  ],
  "luminance": 0.0968,
  "contrast": {
    "black": 2.94,
    "white": 7.15
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF"
  ]
}
Harmonies
{
  "complementary": "#B8740F",
  "analogous": [
    "#0FA7B8",
    "#200FB8"
  ],
  "triadic": [
    "#B80F53",
    "#53B80F"
  ],
  "tetradic": [
    "#B80FA7",
    "#B8740F",
    "#0FB820"
  ],
  "splitComplementary": [
    "#B8200F",
    "#A7B80F"
  ],
  "monochromatic": [
    "#347FEF",
    "#0F52BA",
    "#082C63"
  ]
}
Variants
{
  "light": "#347FEF",
  "dark": "#082C63",
  "saturated": "#0050C7",
  "desaturated": "#2557A2",
  "pastel": "#6396E3",
  "neon": "#0060F0"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#B8740F",
    "#0FA7B8",
    "#200FB8"
  ],
  "avoid": [
    "#2557A2",
    "#347FEF"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#347FEF",
    "#2557A2"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "denim",
    "signal-blue",
    "cobalt-blue",
    "persian-blue",
    "anodized-blue"
  ],
  "generatedPalettes": [
    "sapphire"
  ],
  "generatedComparisons": [
    "cobalt-blue-vs-sapphire",
    "denim-vs-sapphire",
    "persian-blue-vs-sapphire",
    "sapphire-vs-signal-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/sapphire",
    "/wcag/sapphire",
    "/css/colors/sapphire",
    "/hex/0f52ba"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/vibrant",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/sapphire"
    ],
    "related": [
      "/colors/denim",
      "/colors/signal-blue",
      "/colors/cobalt-blue",
      "/colors/persian-blue",
      "/colors/anodized-blue",
      "/compare/cobalt-blue-vs-sapphire",
      "/compare/denim-vs-sapphire",
      "/compare/persian-blue-vs-sapphire",
      "/compare/sapphire-vs-signal-blue",
      "/harmonies/sapphire",
      "/wcag/sapphire",
      "/css/colors/sapphire",
      "/hex/0f52ba"
    ]
  }
}
Full JSON dataset 
{
  "slug": "sapphire",
  "name": "Sapphire",
  "hex": "#0F52BA",
  "uses": [
    "interfaces",
    "brand systems",
    "technical design"
  ],
  "psychology": {
    "associations": [
      "trust",
      "clarity",
      "calm"
    ],
    "contexts": [
      "technology",
      "finance",
      "healthcare",
      "navigation"
    ],
    "avoidIn": [
      "high-warmth food 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 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",
    "interfaces",
    "brand-systems",
    "technical-design",
    "trust",
    "clarity",
    "calm"
  ],
  "popularity": 84,
  "rgb": [
    15,
    82,
    186
  ],
  "hsl": [
    216,
    85,
    39
  ],
  "cmyk": [
    92,
    56,
    0,
    27
  ],
  "luminance": 0.0968,
  "contrast": {
    "black": 2.94,
    "white": 7.15
  },
  "harmonies": {
    "complementary": "#B8740F",
    "analogous": [
      "#0FA7B8",
      "#200FB8"
    ],
    "triadic": [
      "#B80F53",
      "#53B80F"
    ],
    "tetradic": [
      "#B80FA7",
      "#B8740F",
      "#0FB820"
    ],
    "splitComplementary": [
      "#B8200F",
      "#A7B80F"
    ],
    "monochromatic": [
      "#347FEF",
      "#0F52BA",
      "#082C63"
    ]
  },
  "variants": {
    "light": "#347FEF",
    "dark": "#082C63",
    "saturated": "#0050C7",
    "desaturated": "#2557A2",
    "pastel": "#6396E3",
    "neon": "#0060F0"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF"
    ]
  },
  "css": {
    "variable": "--color-sapphire: #0F52BA;",
    "utility": ".bg-sapphire { background-color: #0F52BA; }",
    "textUtility": ".text-sapphire { color: #0F52BA; }"
  },
  "nearestColors": [
    "denim",
    "signal-blue",
    "cobalt-blue",
    "persian-blue",
    "anodized-blue"
  ],
  "generatedPalettes": [
    "sapphire"
  ],
  "generatedComparisons": [
    "cobalt-blue-vs-sapphire",
    "denim-vs-sapphire",
    "persian-blue-vs-sapphire",
    "sapphire-vs-signal-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/sapphire",
    "/wcag/sapphire",
    "/css/colors/sapphire",
    "/hex/0f52ba"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/vibrant",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/sapphire"
    ],
    "related": [
      "/colors/denim",
      "/colors/signal-blue",
      "/colors/cobalt-blue",
      "/colors/persian-blue",
      "/colors/anodized-blue",
      "/compare/cobalt-blue-vs-sapphire",
      "/compare/denim-vs-sapphire",
      "/compare/persian-blue-vs-sapphire",
      "/compare/sapphire-vs-signal-blue",
      "/harmonies/sapphire",
      "/wcag/sapphire",
      "/css/colors/sapphire",
      "/hex/0f52ba"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#B8740F",
      "#0FA7B8",
      "#200FB8"
    ],
    "avoid": [
      "#2557A2",
      "#347FEF"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#347FEF",
      "#2557A2"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Sapphire Color

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

Its common associations include trust, clarity, and calm, which makes it relevant for technology and finance. In design work, Sapphire is most useful for interfaces, brand systems, and technical design, 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.Sapphire accessibilityCheck contrast and WCAG text options for #0F52BA.Sapphire CSS utilitiesUse Sapphire in CSS variables and utility classes.#0F52BA HEX atlasOpen the permanent HEX atlas record for conversions and variants.Sapphire paletteOpen the generated palette based on Sapphire.Sapphire harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Sapphire against black and white text.

Black text2.94:1AA Fail
White text7.15:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text options#FFFFFF
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Denim#1560BD
Signal Blue#0057B8
Cobalt Blue#0047AB
Persian Blue#1C39BB
Anodized Blue#0066CC

Color Harmonies

#B8740F#B8740F
#0FA7B8#0FA7B8
#200FB8#200FB8
#B80F53#B80F53
#53B80F#53B80F
Open full Sapphire harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#347FEF#347FEF
#082C63#082C63
#0050C7#0050C7
#2557A2#2557A2
#6396E3#6396E3
#0060F0#0060F0

Pairings

White#FFFFFF
#B8740F#B8740F
#0FA7B8#0FA7B8
#200FB8#200FB8
Matte Black#1A1A1A
White Smoke#F5F5F5