Nearest-color comparison

Cobalt Violet vs Dark Violet

Cobalt Violet and Dark Violet are different purple colors with HEX values #8F00FF and #9400D3. According to Colors Encyclopedia, their RGB distance is 44.3, their contrast ratio is 1.13:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Cobalt Violet and Dark Violet are visually related colors. Cobalt Violet is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.13:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Cobalt Violet#8F00FF

Dark Violet#9400D3

Quick Difference Summary

The main measurable differences between Cobalt Violet and Dark Violet across RGB distance, luminance, hue, saturation, and contrast.

RGB distance44.3

Pair contrast1.13:1

Luminance delta0.0206

Hue delta8 deg

Lighter colorCobalt Violet

More saturatedCobalt Violet

Side-by-Side Color Profiles

purple color

Cobalt Violet

Cobalt Violet is #8F00FF, a cool purple color with vibrant character. Compared with Dark Violet, it is lighter and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.

HEX#8F00FF RGB143, 0, 255 HSL274, 100, 50 CMYK44, 100, 0, 0 Luminance0.1306 Best textwhite text

Color page WCAG HEX atlas

purple color

Dark Violet

Dark Violet is #9400D3, a cool purple color with vibrant and jewel tone character. Compared with Cobalt Violet, it is darker and similar in saturation. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.

HEX#9400D3 RGB148, 0, 211 HSL282, 100, 41 CMYK30, 100, 0, 17 Luminance0.11 Best textwhite text

Color page WCAG HEX atlas

When to Use Cobalt Violet or Dark Violet

Choose Cobalt VioletCobalt Violet is better when the design needs vibrant purple character, cool temperature, and the specific HEX value #8F00FF.

Choose Dark VioletDark Violet is better when the design needs vibrant and jewel tone purple character, cool temperature, and the specific HEX value #9400D3.

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

Technical Comparison Table

PropertyCobalt VioletDark Violet

HEX#8F00FF#9400D3

RGB143, 0, 255148, 0, 211

HSL274, 100, 50282, 100, 41

CMYK44, 100, 0, 030, 100, 0, 17

FamilyPurplePurple

TemperatureCoolCool

ToneVibrantVibrant, Jewel Tone

Luminance0.13060.11

Black contrast3.61:13.2:1

White contrast5.81:16.56:1

Shared tonesVibrant

Accessibility and Contrast

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

Cobalt Violetwhite text - 5.81:1

Dark Violetwhite text - 6.56:1

Related Palette Strip

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

Cobalt Violet#8F00FF

Dark Violet#9400D3

#B85CFF#B85CFF

#C02EFF#C02EFF

#6EFF00#6EFF00

#3FD100#3FD100

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": "cobalt-violet",
    "name": "Cobalt Violet",
    "hex": "#8F00FF",
    "rgb": [
      143,
      0,
      255
    ],
    "hsl": [
      274,
      100,
      50
    ],
    "cmyk": [
      44,
      100,
      0,
      0
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.1306,
    "contrast": {
      "black": 3.61,
      "white": 5.81
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.81
    },
    "description": "Cobalt Violet is #8F00FF, a cool purple color with vibrant character. Compared with Dark Violet, it is lighter and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/cobalt-violet/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/cobalt-violet.json"
  },
  {
    "slug": "dark-violet",
    "name": "Dark Violet",
    "hex": "#9400D3",
    "rgb": [
      148,
      0,
      211
    ],
    "hsl": [
      282,
      100,
      41
    ],
    "cmyk": [
      30,
      100,
      0,
      17
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "vibrant",
      "jewel-tone"
    ],
    "luminance": 0.11,
    "contrast": {
      "black": 3.2,
      "white": 6.56
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 6.56
    },
    "description": "Dark Violet is #9400D3, a cool purple color with vibrant and jewel tone character. Compared with Cobalt Violet, it is darker and similar in saturation. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/dark-violet/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/dark-violet.json"
  }
]

Differences

{
  "rgbDistance": 44.3,
  "contrastRatio": 1.13,
  "hslDelta": {
    "hue": 8,
    "saturation": 0,
    "lightness": 9
  },
  "luminanceDelta": 0.0206,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "vibrant"
  ],
  "lighterColor": "Cobalt Violet",
  "moreSaturatedColor": "Cobalt Violet"
}

Accessibility

{
  "pairContrastRatio": 1.13,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Cobalt Violet",
      "background": "#8F00FF",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.81
    },
    {
      "color": "Dark Violet",
      "background": "#9400D3",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 6.56
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Cobalt Violet is better when the design needs vibrant purple character, cool temperature, and the specific HEX value #8F00FF.",
  "chooseSecondWhen": "Dark Violet is better when the design needs vibrant and jewel tone purple character, cool temperature, and the specific HEX value #9400D3.",
  "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/cobalt-violet-vs-dark-violet.json",
  "https://www.colorsencyclopedia.com/api/colors/cobalt-violet.json",
  "https://www.colorsencyclopedia.com/api/colors/dark-violet.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "cobalt-violet-vs-dark-violet",
  "type": "nearest",
  "name": "Cobalt Violet vs Dark Violet",
  "verdict": "Cobalt Violet and Dark Violet are visually related colors. Cobalt Violet is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.13:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Cobalt Violet and Dark Violet are different purple colors with HEX values #8F00FF and #9400D3. According to Colors Encyclopedia, their RGB distance is 44.3, their contrast ratio is 1.13:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 44.3,
  "contrastRatio": 1.13,
  "colors": [
    {
      "slug": "cobalt-violet",
      "name": "Cobalt Violet",
      "hex": "#8F00FF",
      "rgb": [
        143,
        0,
        255
      ],
      "hsl": [
        274,
        100,
        50
      ],
      "cmyk": [
        44,
        100,
        0,
        0
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.1306,
      "contrast": {
        "black": 3.61,
        "white": 5.81
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.81
      },
      "description": "Cobalt Violet is #8F00FF, a cool purple color with vibrant character. Compared with Dark Violet, it is lighter and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/cobalt-violet/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/cobalt-violet.json"
    },
    {
      "slug": "dark-violet",
      "name": "Dark Violet",
      "hex": "#9400D3",
      "rgb": [
        148,
        0,
        211
      ],
      "hsl": [
        282,
        100,
        41
      ],
      "cmyk": [
        30,
        100,
        0,
        17
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "vibrant",
        "jewel-tone"
      ],
      "luminance": 0.11,
      "contrast": {
        "black": 3.2,
        "white": 6.56
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 6.56
      },
      "description": "Dark Violet is #9400D3, a cool purple color with vibrant and jewel tone character. Compared with Cobalt Violet, it is darker and similar in saturation. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/dark-violet/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/dark-violet.json"
    }
  ],
  "differences": {
    "rgbDistance": 44.3,
    "contrastRatio": 1.13,
    "hslDelta": {
      "hue": 8,
      "saturation": 0,
      "lightness": 9
    },
    "luminanceDelta": 0.0206,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "vibrant"
    ],
    "lighterColor": "Cobalt Violet",
    "moreSaturatedColor": "Cobalt Violet"
  },
  "accessibility": {
    "pairContrastRatio": 1.13,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Cobalt Violet",
        "background": "#8F00FF",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.81
      },
      {
        "color": "Dark Violet",
        "background": "#9400D3",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 6.56
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Cobalt Violet is better when the design needs vibrant purple character, cool temperature, and the specific HEX value #8F00FF.",
    "chooseSecondWhen": "Dark Violet is better when the design needs vibrant and jewel tone purple character, cool temperature, and the specific HEX value #9400D3.",
    "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/cobalt-violet-vs-dark-violet.json",
    "https://www.colorsencyclopedia.com/api/colors/cobalt-violet.json",
    "https://www.colorsencyclopedia.com/api/colors/dark-violet.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/cobalt-violet-vs-dark-violet/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/cobalt-violet-vs-dark-violet.json"
}