Nearest-color comparison

Anodized Blue vs Signal Blue

Anodized Blue and Signal Blue are different blue colors with HEX values #0066CC and #0057B8. According to Colors Encyclopedia, their RGB distance is 25, their contrast ratio is 1.23:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Anodized Blue and Signal Blue are visually related colors. Anodized Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.23:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Anodized Blue#0066CC

Signal Blue#0057B8

Quick Difference Summary

The main measurable differences between Anodized Blue and Signal Blue across RGB distance, luminance, hue, saturation, and contrast.

RGB distance25

Pair contrast1.23:1

Luminance delta0.0358

Hue delta2 deg

Lighter colorAnodized Blue

More saturatedAnodized Blue

Side-by-Side Color Profiles

blue color

Anodized Blue

Anodized Blue is #0066CC, a cool blue color with vibrant and jewel tone character. Compared with Signal Blue, it is lighter and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.

HEX#0066CC RGB0, 102, 204 HSL210, 100, 40 CMYK100, 50, 0, 20 Luminance0.1386 Best textwhite text

Color page WCAG HEX atlas

blue color

Signal Blue

Signal Blue is #0057B8, a cool blue color with vibrant and jewel tone character. Compared with Anodized Blue, it is darker and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.

HEX#0057B8 RGB0, 87, 184 HSL212, 100, 36 CMYK100, 53, 0, 28 Luminance0.1028 Best textwhite text

Color page WCAG HEX atlas

When to Use Anodized Blue or Signal Blue

Choose Anodized BlueAnodized Blue is better when the design needs vibrant and jewel tone blue character, cool temperature, and the specific HEX value #0066CC.

Choose Signal BlueSignal Blue is better when the design needs vibrant and jewel tone blue character, cool temperature, and the specific HEX value #0057B8.

Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyAnodized BlueSignal Blue

HEX#0066CC#0057B8

RGB0, 102, 2040, 87, 184

HSL210, 100, 40212, 100, 36

CMYK100, 50, 0, 20100, 53, 0, 28

FamilyBlueBlue

TemperatureCoolCool

ToneVibrant, Jewel ToneVibrant, Jewel Tone

Luminance0.13860.1028

Black contrast3.77:13.06:1

White contrast5.57:16.87:1

Shared tonesVibrant, Jewel Tone

Accessibility and Contrast

Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.

Anodized Bluewhite text - 5.57:1

Signal Bluewhite text - 6.87:1

Related Palette Strip

A compact visual strip showing the two compared colors with nearby harmony and variant context.

Anodized Blue#0066CC

Signal Blue#0057B8

#2994FF#2994FF

#1482FF#1482FF

#CC6600#CC6600

#B86200#B86200

colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and links

differencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributes

accessibilityPair contrast and safer text choices for each color

useCasesWhen to choose each color and when to use them together

relatedApiMachine-readable comparison and color endpoints

Structured sections

Colors

[
  {
    "slug": "anodized-blue",
    "name": "Anodized Blue",
    "hex": "#0066CC",
    "rgb": [
      0,
      102,
      204
    ],
    "hsl": [
      210,
      100,
      40
    ],
    "cmyk": [
      100,
      50,
      0,
      20
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "vibrant",
      "jewel-tone"
    ],
    "luminance": 0.1386,
    "contrast": {
      "black": 3.77,
      "white": 5.57
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.57
    },
    "description": "Anodized Blue is #0066CC, a cool blue color with vibrant and jewel tone character. Compared with Signal Blue, it is lighter and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/anodized-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/anodized-blue.json"
  },
  {
    "slug": "signal-blue",
    "name": "Signal Blue",
    "hex": "#0057B8",
    "rgb": [
      0,
      87,
      184
    ],
    "hsl": [
      212,
      100,
      36
    ],
    "cmyk": [
      100,
      53,
      0,
      28
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "vibrant",
      "jewel-tone"
    ],
    "luminance": 0.1028,
    "contrast": {
      "black": 3.06,
      "white": 6.87
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 6.87
    },
    "description": "Signal Blue is #0057B8, a cool blue color with vibrant and jewel tone character. Compared with Anodized Blue, it is darker and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/signal-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/signal-blue.json"
  }
]

Differences

{
  "rgbDistance": 25,
  "contrastRatio": 1.23,
  "hslDelta": {
    "hue": 2,
    "saturation": 0,
    "lightness": 4
  },
  "luminanceDelta": 0.0358,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "vibrant",
    "jewel-tone"
  ],
  "lighterColor": "Anodized Blue",
  "moreSaturatedColor": "Anodized Blue"
}

Accessibility

{
  "pairContrastRatio": 1.23,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Anodized Blue",
      "background": "#0066CC",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.57
    },
    {
      "color": "Signal Blue",
      "background": "#0057B8",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 6.87
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Anodized Blue is better when the design needs vibrant and jewel tone blue character, cool temperature, and the specific HEX value #0066CC.",
  "chooseSecondWhen": "Signal Blue is better when the design needs vibrant and jewel tone blue character, cool temperature, and the specific HEX value #0057B8.",
  "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}

Related API

[
  "https://www.colorsencyclopedia.com/api/compare/anodized-blue-vs-signal-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/anodized-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/signal-blue.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "anodized-blue-vs-signal-blue",
  "type": "nearest",
  "name": "Anodized Blue vs Signal Blue",
  "verdict": "Anodized Blue and Signal Blue are visually related colors. Anodized Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.23:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Anodized Blue and Signal Blue are different blue colors with HEX values #0066CC and #0057B8. According to Colors Encyclopedia, their RGB distance is 25, their contrast ratio is 1.23:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 25,
  "contrastRatio": 1.23,
  "colors": [
    {
      "slug": "anodized-blue",
      "name": "Anodized Blue",
      "hex": "#0066CC",
      "rgb": [
        0,
        102,
        204
      ],
      "hsl": [
        210,
        100,
        40
      ],
      "cmyk": [
        100,
        50,
        0,
        20
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "vibrant",
        "jewel-tone"
      ],
      "luminance": 0.1386,
      "contrast": {
        "black": 3.77,
        "white": 5.57
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.57
      },
      "description": "Anodized Blue is #0066CC, a cool blue color with vibrant and jewel tone character. Compared with Signal Blue, it is lighter and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/anodized-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/anodized-blue.json"
    },
    {
      "slug": "signal-blue",
      "name": "Signal Blue",
      "hex": "#0057B8",
      "rgb": [
        0,
        87,
        184
      ],
      "hsl": [
        212,
        100,
        36
      ],
      "cmyk": [
        100,
        53,
        0,
        28
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "vibrant",
        "jewel-tone"
      ],
      "luminance": 0.1028,
      "contrast": {
        "black": 3.06,
        "white": 6.87
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 6.87
      },
      "description": "Signal Blue is #0057B8, a cool blue color with vibrant and jewel tone character. Compared with Anodized Blue, it is darker and similar in saturation. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/signal-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/signal-blue.json"
    }
  ],
  "differences": {
    "rgbDistance": 25,
    "contrastRatio": 1.23,
    "hslDelta": {
      "hue": 2,
      "saturation": 0,
      "lightness": 4
    },
    "luminanceDelta": 0.0358,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "vibrant",
      "jewel-tone"
    ],
    "lighterColor": "Anodized Blue",
    "moreSaturatedColor": "Anodized Blue"
  },
  "accessibility": {
    "pairContrastRatio": 1.23,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Anodized Blue",
        "background": "#0066CC",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.57
      },
      {
        "color": "Signal Blue",
        "background": "#0057B8",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 6.87
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Anodized Blue is better when the design needs vibrant and jewel tone blue character, cool temperature, and the specific HEX value #0066CC.",
    "chooseSecondWhen": "Signal Blue is better when the design needs vibrant and jewel tone blue character, cool temperature, and the specific HEX value #0057B8.",
    "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
  },
  "relatedApi": [
    "https://www.colorsencyclopedia.com/api/compare/anodized-blue-vs-signal-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/anodized-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/signal-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/anodized-blue-vs-signal-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/anodized-blue-vs-signal-blue.json"
}