Nearest-color comparison

Amethyst Deep vs Iolite

Amethyst Deep and Iolite are different purple and blue colors with HEX values #5D3A9B and #5A4C8D. According to Colors Encyclopedia, their RGB distance is 23, their contrast ratio is 1.12:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Amethyst Deep and Iolite are very close colors. Iolite is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.12:1, so the pair is too low for text and better treated as a palette relationship.

Amethyst Deep#5D3A9B
Iolite#5A4C8D

Quick Difference Summary

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

RGB distance23
Pair contrast1.12:1
Luminance delta0.0155
Hue delta9 deg
Lighter colorIolite
More saturatedAmethyst Deep

Side-by-Side Color Profiles

purple color

Amethyst Deep

Amethyst Deep is #5D3A9B, a cool purple color with jewel tone character. Compared with Iolite, it is darker 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

blue color

Iolite

Iolite is #5A4C8D, a cool blue color with balanced character. Compared with Amethyst Deep, it is lighter and less saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.

HEX#5A4C8D RGB90, 76, 141 HSL253, 30, 43 CMYK36, 46, 0, 45 Luminance0.0927 Best textwhite text

When to Use Amethyst Deep or Iolite

Choose Amethyst DeepAmethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.
Choose IoliteIolite is better when the design needs balanced blue character, cool temperature, and the specific HEX value #5A4C8D.
Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertyAmethyst DeepIolite
HEX#5D3A9B#5A4C8D
RGB93, 58, 15590, 76, 141
HSL262, 46, 42253, 30, 43
CMYK40, 63, 0, 3936, 46, 0, 45
FamilyPurpleBlue
TemperatureCoolCool
ToneJewel ToneBalanced
Luminance0.07720.0927
Black contrast2.54:12.85:1
White contrast8.25:17.36:1
Shared tonesNone

Accessibility and Contrast

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

Amethyst Deepwhite text - 8.25:1
Iolitewhite text - 7.36:1

Related Palette Strip

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

Amethyst Deep#5D3A9B
Iolite#5A4C8D
#8C6AC8#8C6AC8
#8B7EB9#8B7EB9
#789C3A#789C3A
#808F4D#808F4D

Machine-readable data

Machine-Readable Amethyst Deep vs Iolite Data (JSON)

Structured comparison data for Amethyst Deep and Iolite, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.

AI-Ready Dataset v1.0.0
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
Download JSON Open API
Structured sections
Colors
[
  {
    "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 Iolite, it is darker 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"
  },
  {
    "slug": "iolite",
    "name": "Iolite",
    "hex": "#5A4C8D",
    "rgb": [
      90,
      76,
      141
    ],
    "hsl": [
      253,
      30,
      43
    ],
    "cmyk": [
      36,
      46,
      0,
      45
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.0927,
    "contrast": {
      "black": 2.85,
      "white": 7.36
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": [
        "#FFFFFF"
      ]
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 7.36
    },
    "description": "Iolite is #5A4C8D, a cool blue color with balanced character. Compared with Amethyst Deep, it is lighter and less 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/iolite/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/iolite.json"
  }
]
Differences
{
  "rgbDistance": 23,
  "contrastRatio": 1.12,
  "hslDelta": {
    "hue": 9,
    "saturation": 16,
    "lightness": 1
  },
  "luminanceDelta": 0.0155,
  "sameFamily": false,
  "sameTemperature": true,
  "sharedTones": [],
  "lighterColor": "Iolite",
  "moreSaturatedColor": "Amethyst Deep"
}
Accessibility
{
  "pairContrastRatio": 1.12,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Amethyst Deep",
      "background": "#5D3A9B",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 8.25
    },
    {
      "color": "Iolite",
      "background": "#5A4C8D",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 7.36
    }
  ]
}
Use cases
{
  "chooseFirstWhen": "Amethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.",
  "chooseSecondWhen": "Iolite is better when the design needs balanced blue character, cool temperature, and the specific HEX value #5A4C8D.",
  "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/amethyst-deep-vs-iolite.json",
  "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json",
  "https://www.colorsencyclopedia.com/api/colors/iolite.json"
]
Full JSON dataset
{
  "datasetVersion": "1.0.0",
  "slug": "amethyst-deep-vs-iolite",
  "type": "nearest",
  "name": "Amethyst Deep vs Iolite",
  "verdict": "Amethyst Deep and Iolite are very close colors. Iolite is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.12:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Amethyst Deep and Iolite are different purple and blue colors with HEX values #5D3A9B and #5A4C8D. According to Colors Encyclopedia, their RGB distance is 23, their contrast ratio is 1.12:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 23,
  "contrastRatio": 1.12,
  "colors": [
    {
      "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 Iolite, it is darker 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"
    },
    {
      "slug": "iolite",
      "name": "Iolite",
      "hex": "#5A4C8D",
      "rgb": [
        90,
        76,
        141
      ],
      "hsl": [
        253,
        30,
        43
      ],
      "cmyk": [
        36,
        46,
        0,
        45
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0927,
      "contrast": {
        "black": 2.85,
        "white": 7.36
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 7.36
      },
      "description": "Iolite is #5A4C8D, a cool blue color with balanced character. Compared with Amethyst Deep, it is lighter and less 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/iolite/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/iolite.json"
    }
  ],
  "differences": {
    "rgbDistance": 23,
    "contrastRatio": 1.12,
    "hslDelta": {
      "hue": 9,
      "saturation": 16,
      "lightness": 1
    },
    "luminanceDelta": 0.0155,
    "sameFamily": false,
    "sameTemperature": true,
    "sharedTones": [],
    "lighterColor": "Iolite",
    "moreSaturatedColor": "Amethyst Deep"
  },
  "accessibility": {
    "pairContrastRatio": 1.12,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Amethyst Deep",
        "background": "#5D3A9B",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 8.25
      },
      {
        "color": "Iolite",
        "background": "#5A4C8D",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 7.36
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Amethyst Deep is better when the design needs jewel tone purple character, cool temperature, and the specific HEX value #5D3A9B.",
    "chooseSecondWhen": "Iolite is better when the design needs balanced blue character, cool temperature, and the specific HEX value #5A4C8D.",
    "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/amethyst-deep-vs-iolite.json",
    "https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json",
    "https://www.colorsencyclopedia.com/api/colors/iolite.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/amethyst-deep-vs-iolite/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/amethyst-deep-vs-iolite.json"
}