Colors Encyclopedia

Named color

Midnight Blue

Midnight Blue is a dark and jewel tone blue color with HEX #191970. According to Colors Encyclopedia, it has RGB 25, 25, 112, HSL 240, 64%, 27%, cool temperature, and is useful for luxury branding, night themes, and editorial design.

#191970 blue cool darkjewel-tone
HEX #191970
RGB rgb(25, 25, 112)
HSL hsl(240 64% 27%)
CMYK cmyk(78, 78, 0, 56)
Luminance 0.0207
Contrast Black 1.41:1White 14.85:1

CSS Utilities

--color-midnight-blue: #191970;
.bg-midnight-blue { background-color: #191970; }
.text-midnight-blue { color: #191970; }
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
Luminance0.0207
Black text1.41:1AA Fail
White text14.85:1AA 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": "#191970",
  "rgb": [
    25,
    25,
    112
  ],
  "hsl": [
    240,
    64,
    27
  ],
  "cmyk": [
    78,
    78,
    0,
    56
  ],
  "luminance": 0.0207,
  "contrast": {
    "black": 1.41,
    "white": 14.85
  }
}
WCAG
{
  "AA": [
    "#FFFFFF",
    "#F5F5F5"
  ],
  "AAA": [
    "#FFFFFF",
    "#F5F5F5"
  ]
}
Harmonies
{
  "complementary": "#717119",
  "analogous": [
    "#194571",
    "#451971"
  ],
  "triadic": [
    "#711919",
    "#197119"
  ],
  "tetradic": [
    "#711945",
    "#717119",
    "#197145"
  ],
  "splitComplementary": [
    "#714519",
    "#457119"
  ],
  "monochromatic": [
    "#2929BC",
    "#191970",
    "#080826"
  ]
}
Variants
{
  "light": "#2929BC",
  "dark": "#080826",
  "saturated": "#0A0A80",
  "desaturated": "#282862",
  "pastel": "#4949C1",
  "neon": "#0000B3"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#717119",
    "#194571",
    "#451971"
  ],
  "avoid": [
    "#282862",
    "#2929BC"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#2929BC",
    "#282862"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "sapphire-deep",
    "ultramarine",
    "navy",
    "navy-blue",
    "dark-blue"
  ],
  "generatedPalettes": [
    "midnight-blue"
  ],
  "generatedComparisons": [
    "midnight-blue-vs-sapphire-deep",
    "midnight-blue-vs-ultramarine",
    "navy-blue-vs-midnight-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/dark",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/midnight-blue",
    "/wcag/midnight-blue",
    "/css/colors/midnight-blue",
    "/hex/191970"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/dark",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/midnight-blue"
    ],
    "related": [
      "/colors/sapphire-deep",
      "/colors/ultramarine",
      "/colors/navy",
      "/colors/navy-blue",
      "/colors/dark-blue",
      "/compare/midnight-blue-vs-sapphire-deep",
      "/compare/midnight-blue-vs-ultramarine",
      "/compare/navy-blue-vs-midnight-blue",
      "/harmonies/midnight-blue",
      "/wcag/midnight-blue",
      "/css/colors/midnight-blue",
      "/hex/191970"
    ]
  }
}
Full JSON dataset 
{
  "slug": "midnight-blue",
  "name": "Midnight Blue",
  "hex": "#191970",
  "family": "blue",
  "temperature": "cool",
  "tone": [
    "dark",
    "jewel-tone"
  ],
  "uses": [
    "luxury branding",
    "night themes",
    "editorial design"
  ],
  "psychology": {
    "associations": [
      "depth",
      "focus",
      "mystery"
    ],
    "contexts": [
      "premium interfaces",
      "evening event design"
    ],
    "avoidIn": [
      "lightweight wellness palettes"
    ]
  },
  "aliases": [],
  "sourceType": "standard",
  "confidence": "high",
  "sourceUrl": "https://www.w3.org/TR/css-color-4/#named-colors",
  "reviewStatus": "auto",
  "editorialNotes": "Generated from CSS named color data and computed color-system properties.",
  "origin": {
    "type": "css",
    "notes": "Standard CSS named color."
  },
  "tags": [
    "blue",
    "cool",
    "dark",
    "jewel-tone",
    "luxury-branding",
    "night-themes",
    "editorial-design",
    "depth",
    "focus",
    "mystery"
  ],
  "popularity": 69,
  "rgb": [
    25,
    25,
    112
  ],
  "hsl": [
    240,
    64,
    27
  ],
  "cmyk": [
    78,
    78,
    0,
    56
  ],
  "luminance": 0.0207,
  "contrast": {
    "black": 1.41,
    "white": 14.85
  },
  "harmonies": {
    "complementary": "#717119",
    "analogous": [
      "#194571",
      "#451971"
    ],
    "triadic": [
      "#711919",
      "#197119"
    ],
    "tetradic": [
      "#711945",
      "#717119",
      "#197145"
    ],
    "splitComplementary": [
      "#714519",
      "#457119"
    ],
    "monochromatic": [
      "#2929BC",
      "#191970",
      "#080826"
    ]
  },
  "variants": {
    "light": "#2929BC",
    "dark": "#080826",
    "saturated": "#0A0A80",
    "desaturated": "#282862",
    "pastel": "#4949C1",
    "neon": "#0000B3"
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  "css": {
    "variable": "--color-midnight-blue: #191970;",
    "utility": ".bg-midnight-blue { background-color: #191970; }",
    "textUtility": ".text-midnight-blue { color: #191970; }"
  },
  "nearestColors": [
    "sapphire-deep",
    "ultramarine",
    "navy",
    "navy-blue",
    "dark-blue"
  ],
  "generatedPalettes": [
    "midnight-blue"
  ],
  "generatedComparisons": [
    "midnight-blue-vs-sapphire-deep",
    "midnight-blue-vs-ultramarine",
    "navy-blue-vs-midnight-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/dark",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/midnight-blue",
    "/wcag/midnight-blue",
    "/css/colors/midnight-blue",
    "/hex/191970"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/dark",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/midnight-blue"
    ],
    "related": [
      "/colors/sapphire-deep",
      "/colors/ultramarine",
      "/colors/navy",
      "/colors/navy-blue",
      "/colors/dark-blue",
      "/compare/midnight-blue-vs-sapphire-deep",
      "/compare/midnight-blue-vs-ultramarine",
      "/compare/navy-blue-vs-midnight-blue",
      "/harmonies/midnight-blue",
      "/wcag/midnight-blue",
      "/css/colors/midnight-blue",
      "/hex/191970"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#717119",
      "#194571",
      "#451971"
    ],
    "avoid": [
      "#282862",
      "#2929BC"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#2929BC",
      "#282862"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Midnight Blue Color

Midnight Blue sits in the blue family with cool temperature and dark and jewel tone visual character. Standard CSS named color.

Its common associations include depth, focus, and mystery, which makes it relevant for premium interfaces and evening event design. In design work, Midnight Blue is most useful for luxury branding, night themes, and editorial 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.Dark colorsFind colors with dark visual character.Jewel Tone colorsFind colors with jewel tone visual character.Midnight Blue accessibilityCheck contrast and WCAG text options for #191970.Midnight Blue CSS utilitiesUse Midnight Blue in CSS variables and utility classes.#191970 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Midnight Blue paletteOpen the generated palette based on Midnight Blue.Midnight Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Midnight Blue against black and white text.

Black text1.41:1AA Fail
White text14.85:1AA Pass
AA text options#FFFFFF, #F5F5F5
AAA text options#FFFFFF, #F5F5F5
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Sapphire Deep#082567
Ultramarine#120A8F
Navy#000080
Navy Blue#000080
Dark Blue#00008B

Color Harmonies

#717119#717119
#194571#194571
#451971#451971
#711919#711919
#197119#197119
Open full Midnight Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#2929BC#2929BC
#080826#080826
#0A0A80#0A0A80
#282862#282862
#4949C1#4949C1
#0000B3#0000B3

Pairings

White#FFFFFF
#717119#717119
#194571#194571
#451971#451971
Matte Black#1A1A1A
White Smoke#F5F5F5