Colors Encyclopedia

Named color

Storm Blue

Storm Blue color #4F666A: RGB 79, 102, 106 and HSL 189°, 15%, 36%. Explore its cool cyan profile, contrast, CSS, palettes and harmonies.

#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

Use this color

Create with Storm Blue

Open a professional color tool with #4F666A 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 Storm 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-storm-blue: #4F666A;
.bg-storm-blue { background-color: #4F666A; }
.text-storm-blue { color: #4F666A; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Storm Blue Color

Storm Blue uses HEX #4F666A, RGB 79, 102, 106, and HSL 189°, 15%, 36%. The dataset classifies it in the cyan family with cool temperature and muted visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.1221; black contrast is 3.44:1 and white contrast is 6.1:1, making white the stronger of those two standard foreground choices.

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

Downloadable color reference infographic

Storm Blue Color Reference Infographic

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

1200 × 800
Storm Blue color reference infographic showing #4F666A, RGB and HSL values, a coordinated palette, and black and white text contrast.
Storm Blue color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

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#4E586AMatte 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
Luminance0.1221
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",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "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",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
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",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "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",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "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

Similar Colors

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

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.