Nearest-color comparison

Dark Slate Blue vs Amethyst Deep

Dark Slate Blue and Amethyst Deep are different blue and purple colors with HEX values #483D8B and #5D3A9B. According to Colors Encyclopedia, their RGB distance is 26.6, their contrast ratio is 1.1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Dark Slate Blue and Amethyst Deep are visually related colors. Amethyst Deep is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.1:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Dark Slate Blue#483D8B

Amethyst Deep#5D3A9B

Quick Difference Summary

The main measurable differences between Dark Slate Blue and Amethyst Deep across RGB distance, luminance, hue, saturation, and contrast.

RGB distance26.6

Pair contrast1.1:1

Luminance delta0.0114

Hue delta14 deg

Lighter colorAmethyst Deep

More saturatedAmethyst Deep

Side-by-Side Color Profiles

blue color

Dark Slate Blue

Dark Slate Blue is #483D8B, a cool blue color with balanced character. Compared with Amethyst Deep, it is darker and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.

HEX#483D8B RGB72, 61, 139 HSL248, 39, 39 CMYK48, 56, 0, 45 Luminance0.0658 Best textwhite text

Color page WCAG HEX atlas

purple color

Amethyst Deep

Amethyst Deep is #5D3A9B, a cool purple color with jewel tone character. Compared with Dark Slate Blue, it is lighter and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.

HEX#5D3A9B RGB93, 58, 155 HSL262, 46, 42 CMYK40, 63, 0, 39 Luminance0.0772 Best textwhite text

Color page WCAG HEX atlas

When to Use Dark Slate Blue or Amethyst Deep

Choose Dark Slate BlueDark Slate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #483D8B.

Choose Amethyst DeepAmethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.

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

Technical Comparison Table

PropertyDark Slate BlueAmethyst Deep

HEX#483D8B#5D3A9B

RGB72, 61, 13993, 58, 155

HSL248, 39, 39262, 46, 42

CMYK48, 56, 0, 4540, 63, 0, 39

FamilyBluePurple

TemperatureCoolCool

ToneBalancedJewel Tone

Luminance0.06580.0772

Black contrast2.32:12.54:1

White contrast9.07:18.25:1

Shared tonesNone

Accessibility and Contrast

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

Dark Slate Bluewhite text - 9.07:1

Amethyst Deepwhite text - 8.25:1

Related Palette Strip

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

Dark Slate Blue#483D8B

Amethyst Deep#5D3A9B

#7267BC#7267BC

#8C6AC8#8C6AC8

#808A3D#808A3D

#789C3A#789C3A

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": "dark-slate-blue",
    "name": "Dark Slate Blue",
    "hex": "#483D8B",
    "rgb": [
      72,
      61,
      139
    ],
    "hsl": [
      248,
      39,
      39
    ],
    "cmyk": [
      48,
      56,
      0,
      45
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.0658,
    "contrast": {
      "black": 2.32,
      "white": 9.07
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 9.07
    },
    "description": "Dark Slate Blue is #483D8B, a cool blue color with balanced character. Compared with Amethyst Deep, it is darker and less saturated. 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-slate-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/dark-slate-blue.json"
  },
  {
    "slug": "amethyst-deep",
    "name": "Amethyst Deep",
    "hex": "#5D3A9B",
    "rgb": [
      93,
      58,
      155
    ],
    "hsl": [
      262,
      46,
      42
    ],
    "cmyk": [
      40,
      63,
      0,
      39
    ],
    "family": "purple",
    "temperature": "cool",
    "tone": [
      "jewel-tone"
    ],
    "luminance": 0.0772,
    "contrast": {
      "black": 2.54,
      "white": 8.25
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 8.25
    },
    "description": "Amethyst Deep is #5D3A9B, a cool purple color with jewel tone character. Compared with Dark Slate Blue, it is lighter and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/amethyst-deep/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json"
  }
]

Differences

{
  "rgbDistance": 26.6,
  "contrastRatio": 1.1,
  "hslDelta": {
    "hue": 14,
    "saturation": 7,
    "lightness": 3
  },
  "luminanceDelta": 0.0114,
  "sameFamily": false,
  "sameTemperature": true,
  "sharedTones": [],
  "lighterColor": "Amethyst Deep",
  "moreSaturatedColor": "Amethyst Deep"
}

Accessibility

{
  "pairContrastRatio": 1.1,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Dark Slate Blue",
      "background": "#483D8B",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 9.07
    },
    {
      "color": "Amethyst Deep",
      "background": "#5D3A9B",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.25
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Dark Slate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #483D8B.",
  "chooseSecondWhen": "Amethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.",
  "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/dark-slate-blue-vs-amethyst-deep.json",
  "https://www.colorsencyclopedia.com/api/colors/dark-slate-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "dark-slate-blue-vs-amethyst-deep",
  "type": "nearest",
  "name": "Dark Slate Blue vs Amethyst Deep",
  "verdict": "Dark Slate Blue and Amethyst Deep are visually related colors. Amethyst Deep is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.1:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Dark Slate Blue and Amethyst Deep are different blue and purple colors with HEX values #483D8B and #5D3A9B. According to Colors Encyclopedia, their RGB distance is 26.6, their contrast ratio is 1.1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 26.6,
  "contrastRatio": 1.1,
  "colors": [
    {
      "slug": "dark-slate-blue",
      "name": "Dark Slate Blue",
      "hex": "#483D8B",
      "rgb": [
        72,
        61,
        139
      ],
      "hsl": [
        248,
        39,
        39
      ],
      "cmyk": [
        48,
        56,
        0,
        45
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0658,
      "contrast": {
        "black": 2.32,
        "white": 9.07
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 9.07
      },
      "description": "Dark Slate Blue is #483D8B, a cool blue color with balanced character. Compared with Amethyst Deep, it is darker and less saturated. 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-slate-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/dark-slate-blue.json"
    },
    {
      "slug": "amethyst-deep",
      "name": "Amethyst Deep",
      "hex": "#5D3A9B",
      "rgb": [
        93,
        58,
        155
      ],
      "hsl": [
        262,
        46,
        42
      ],
      "cmyk": [
        40,
        63,
        0,
        39
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.0772,
      "contrast": {
        "black": 2.54,
        "white": 8.25
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 8.25
      },
      "description": "Amethyst Deep is #5D3A9B, a cool purple color with jewel tone character. Compared with Dark Slate Blue, it is lighter and more saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/amethyst-deep/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json"
    }
  ],
  "differences": {
    "rgbDistance": 26.6,
    "contrastRatio": 1.1,
    "hslDelta": {
      "hue": 14,
      "saturation": 7,
      "lightness": 3
    },
    "luminanceDelta": 0.0114,
    "sameFamily": false,
    "sameTemperature": true,
    "sharedTones": [],
    "lighterColor": "Amethyst Deep",
    "moreSaturatedColor": "Amethyst Deep"
  },
  "accessibility": {
    "pairContrastRatio": 1.1,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Dark Slate Blue",
        "background": "#483D8B",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 9.07
      },
      {
        "color": "Amethyst Deep",
        "background": "#5D3A9B",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.25
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Dark Slate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #483D8B.",
    "chooseSecondWhen": "Amethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.",
    "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/dark-slate-blue-vs-amethyst-deep.json",
    "https://www.colorsencyclopedia.com/api/colors/dark-slate-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/dark-slate-blue-vs-amethyst-deep/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/dark-slate-blue-vs-amethyst-deep.json"
}