Colors Encyclopedia

Named color

Storm Blue

Storm Blue is a muted cyan color with HEX #4F666A. According to Colors Encyclopedia, it has RGB 79, 102, 106, HSL 189, 15%, 36%, cool temperature, and is useful for interfaces, brand systems, and technical design.

#4F666A cyan cool muted
HEX #4F666A
RGB rgb(79, 102, 106)
HSL hsl(189 15% 36%)
CMYK cmyk(25, 4, 0, 58)
Luminance 0.1221
Contrast Black 3.44:1White 6.1:1

CSS Utilities

--color-storm-blue: #4F666A;
.bg-storm-blue { background-color: #4F666A; }
.text-storm-blue { color: #4F666A; }
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
Luminance0.1221
Black text3.44:1AA Fail
White text6.1:1AA 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": "#4F666A",
  "rgb": [
    79,
    102,
    106
  ],
  "hsl": [
    189,
    15,
    36
  ],
  "cmyk": [
    25,
    4,
    0,
    58
  ],
  "luminance": 0.1221,
  "contrast": {
    "black": 3.44,
    "white": 6.1
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#6A524E",
  "analogous": [
    "#4E6A60",
    "#4E586A"
  ],
  "triadic": [
    "#6A4E65",
    "#656A4E"
  ],
  "tetradic": [
    "#604E6A",
    "#6A524E",
    "#586A4E"
  ],
  "splitComplementary": [
    "#6A4E58",
    "#6A604E"
  ],
  "monochromatic": [
    "#78969B",
    "#4F666A",
    "#273335"
  ]
}
Variants
{
  "light": "#78969B",
  "dark": "#273335",
  "saturated": "#3A747E",
  "desaturated": "#5C5C5C",
  "pastel": "#9C9C9C",
  "neon": "#00BFE0"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#6A524E",
    "#4E6A60",
    "#4E586A"
  ],
  "avoid": [
    "#5C5C5C",
    "#78969B"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#78969B",
    "#5C5C5C"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "shale",
    "hookers-green",
    "granite",
    "aegean-blue",
    "cactus-green"
  ],
  "generatedPalettes": [
    "storm-blue"
  ],
  "generatedComparisons": [
    "aegean-blue-vs-storm-blue",
    "cactus-green-vs-storm-blue",
    "hookers-green-vs-storm-blue",
    "shale-vs-storm-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/muted"
  ],
  "relatedTools": [
    "/harmonies/storm-blue",
    "/wcag/storm-blue",
    "/css/colors/storm-blue",
    "/hex/4f666a"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/muted"
    ],
    "narrower": [
      "/palettes/storm-blue"
    ],
    "related": [
      "/colors/shale",
      "/colors/hookers-green",
      "/colors/granite",
      "/colors/aegean-blue",
      "/colors/cactus-green",
      "/compare/aegean-blue-vs-storm-blue",
      "/compare/cactus-green-vs-storm-blue",
      "/compare/hookers-green-vs-storm-blue",
      "/compare/shale-vs-storm-blue",
      "/harmonies/storm-blue",
      "/wcag/storm-blue",
      "/css/colors/storm-blue",
      "/hex/4f666a"
    ]
  }
}
Full JSON dataset 
{
  "slug": "storm-blue",
  "name": "Storm Blue",
  "hex": "#4F666A",
  "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": "cyan",
  "temperature": "cool",
  "tone": [
    "muted"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "cyan",
    "cool",
    "muted",
    "interfaces",
    "brand-systems",
    "technical-design",
    "trust",
    "clarity",
    "calm"
  ],
  "popularity": 84,
  "rgb": [
    79,
    102,
    106
  ],
  "hsl": [
    189,
    15,
    36
  ],
  "cmyk": [
    25,
    4,
    0,
    58
  ],
  "luminance": 0.1221,
  "contrast": {
    "black": 3.44,
    "white": 6.1
  },
  "harmonies": {
    "complementary": "#6A524E",
    "analogous": [
      "#4E6A60",
      "#4E586A"
    ],
    "triadic": [
      "#6A4E65",
      "#656A4E"
    ],
    "tetradic": [
      "#604E6A",
      "#6A524E",
      "#586A4E"
    ],
    "splitComplementary": [
      "#6A4E58",
      "#6A604E"
    ],
    "monochromatic": [
      "#78969B",
      "#4F666A",
      "#273335"
    ]
  },
  "variants": {
    "light": "#78969B",
    "dark": "#273335",
    "saturated": "#3A747E",
    "desaturated": "#5C5C5C",
    "pastel": "#9C9C9C",
    "neon": "#00BFE0"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-storm-blue: #4F666A;",
    "utility": ".bg-storm-blue { background-color: #4F666A; }",
    "textUtility": ".text-storm-blue { color: #4F666A; }"
  },
  "nearestColors": [
    "shale",
    "hookers-green",
    "granite",
    "aegean-blue",
    "cactus-green"
  ],
  "generatedPalettes": [
    "storm-blue"
  ],
  "generatedComparisons": [
    "aegean-blue-vs-storm-blue",
    "cactus-green-vs-storm-blue",
    "hookers-green-vs-storm-blue",
    "shale-vs-storm-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/muted"
  ],
  "relatedTools": [
    "/harmonies/storm-blue",
    "/wcag/storm-blue",
    "/css/colors/storm-blue",
    "/hex/4f666a"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/muted"
    ],
    "narrower": [
      "/palettes/storm-blue"
    ],
    "related": [
      "/colors/shale",
      "/colors/hookers-green",
      "/colors/granite",
      "/colors/aegean-blue",
      "/colors/cactus-green",
      "/compare/aegean-blue-vs-storm-blue",
      "/compare/cactus-green-vs-storm-blue",
      "/compare/hookers-green-vs-storm-blue",
      "/compare/shale-vs-storm-blue",
      "/harmonies/storm-blue",
      "/wcag/storm-blue",
      "/css/colors/storm-blue",
      "/hex/4f666a"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#6A524E",
      "#4E6A60",
      "#4E586A"
    ],
    "avoid": [
      "#5C5C5C",
      "#78969B"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#78969B",
      "#5C5C5C"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Storm Blue Color

Storm Blue sits in the cyan family with cool temperature and muted visual character. Storm Blue 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, Storm Blue is most useful for interfaces, brand systems, and technical design, especially when paired with white text for stronger contrast.

Related Color Guides

Cyan color familyBrowse named cyan colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Muted colorsFind colors with muted visual character.Storm Blue accessibilityCheck contrast and WCAG text options for #4F666A.Storm Blue CSS utilitiesUse Storm Blue in CSS variables and utility classes.#4F666A HEX atlasOpen the permanent HEX atlas record for conversions and variants.Storm Blue paletteOpen the generated palette based on Storm Blue.Storm Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Storm Blue against black and white text.

Black text3.44:1AA Fail
White text6.1:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Shale#59656F
Hookers Green#49796B
Granite#676767
Aegean Blue#4E6E81
Cactus Green#587156

Color Harmonies

#6A524E#6A524E
#4E6A60#4E6A60
#4E586A#4E586A
#6A4E65#6A4E65
#656A4E#656A4E
Open full Storm Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#78969B#78969B
#273335#273335
#3A747E#3A747E
#5C5C5C#5C5C5C
#9C9C9C#9C9C9C
#00BFE0#00BFE0

Pairings

White#FFFFFF
#6A524E#6A524E
#4E6A60#4E6A60
#4E586A#4E586A
Matte Black#1A1A1A
White Smoke#F5F5F5