Nearest-color comparison

Medium Slate Blue vs Slate Blue

Medium Slate Blue and Slate Blue are different blue colors with HEX values #7B68EE and #6A5ACD. According to Colors Encyclopedia, their RGB distance is 39.7, their contrast ratio is 1.28:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Medium Slate Blue and Slate Blue are visually related colors. Medium Slate Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.28:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Medium Slate Blue#7B68EE

Slate Blue#6A5ACD

Quick Difference Summary

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

RGB distance39.7

Pair contrast1.28:1

Luminance delta0.055

Hue delta1 deg

Lighter colorMedium Slate Blue

More saturatedMedium Slate Blue

Side-by-Side Color Profiles

blue color

Medium Slate Blue

Medium Slate Blue is #7B68EE, a cool blue color with vibrant character. Compared with Slate Blue, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.

HEX#7B68EE RGB123, 104, 238 HSL249, 80, 67 CMYK48, 56, 0, 7 Luminance0.2028 Best textblack text

Color page WCAG HEX atlas

blue color

Slate Blue

Slate Blue is #6A5ACD, a cool blue color with balanced character. Compared with Medium Slate Blue, 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#6A5ACD RGB106, 90, 205 HSL248, 53, 58 CMYK48, 56, 0, 20 Luminance0.1478 Best textwhite text

Color page WCAG HEX atlas

When to Use Medium Slate Blue or Slate Blue

Choose Medium Slate BlueMedium Slate Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #7B68EE.

Choose Slate BlueSlate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #6A5ACD.

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

Technical Comparison Table

PropertyMedium Slate BlueSlate Blue

HEX#7B68EE#6A5ACD

RGB123, 104, 238106, 90, 205

HSL249, 80, 67248, 53, 58

CMYK48, 56, 0, 748, 56, 0, 20

FamilyBlueBlue

TemperatureCoolCool

ToneVibrantBalanced

Luminance0.20280.1478

Black contrast5.06:13.96:1

White contrast4.15:15.31:1

Shared tonesNone

Accessibility and Contrast

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

Medium Slate Blueblack text - 5.06:1

Slate Bluewhite text - 5.31:1

Related Palette Strip

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

Medium Slate Blue#7B68EE

Slate Blue#6A5ACD

#C3BAF7#C3BAF7

#AAA1E2#AAA1E2

#DAEE68#DAEE68

#BECD5B#BECD5B

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": "medium-slate-blue",
    "name": "Medium Slate Blue",
    "hex": "#7B68EE",
    "rgb": [
      123,
      104,
      238
    ],
    "hsl": [
      249,
      80,
      67
    ],
    "cmyk": [
      48,
      56,
      0,
      7
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.2028,
    "contrast": {
      "black": 5.06,
      "white": 4.15
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.06
    },
    "description": "Medium Slate Blue is #7B68EE, a cool blue color with vibrant character. Compared with Slate Blue, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/medium-slate-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/medium-slate-blue.json"
  },
  {
    "slug": "slate-blue",
    "name": "Slate Blue",
    "hex": "#6A5ACD",
    "rgb": [
      106,
      90,
      205
    ],
    "hsl": [
      248,
      53,
      58
    ],
    "cmyk": [
      48,
      56,
      0,
      20
    ],
    "family": "blue",
    "temperature": "cool",
    "tone": [
      "balanced"
    ],
    "luminance": 0.1478,
    "contrast": {
      "black": 3.96,
      "white": 5.31
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.31
    },
    "description": "Slate Blue is #6A5ACD, a cool blue color with balanced character. Compared with Medium Slate Blue, 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/slate-blue/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/slate-blue.json"
  }
]

Differences

{
  "rgbDistance": 39.7,
  "contrastRatio": 1.28,
  "hslDelta": {
    "hue": 1,
    "saturation": 27,
    "lightness": 9
  },
  "luminanceDelta": 0.055,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [],
  "lighterColor": "Medium Slate Blue",
  "moreSaturatedColor": "Medium Slate Blue"
}

Accessibility

{
  "pairContrastRatio": 1.28,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Medium Slate Blue",
      "background": "#7B68EE",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.06
    },
    {
      "color": "Slate Blue",
      "background": "#6A5ACD",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.31
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Medium Slate Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #7B68EE.",
  "chooseSecondWhen": "Slate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #6A5ACD.",
  "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/medium-slate-blue-vs-slate-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/medium-slate-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/slate-blue.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "medium-slate-blue-vs-slate-blue",
  "type": "nearest",
  "name": "Medium Slate Blue vs Slate Blue",
  "verdict": "Medium Slate Blue and Slate Blue are visually related colors. Medium Slate Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.28:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Medium Slate Blue and Slate Blue are different blue colors with HEX values #7B68EE and #6A5ACD. According to Colors Encyclopedia, their RGB distance is 39.7, their contrast ratio is 1.28:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 39.7,
  "contrastRatio": 1.28,
  "colors": [
    {
      "slug": "medium-slate-blue",
      "name": "Medium Slate Blue",
      "hex": "#7B68EE",
      "rgb": [
        123,
        104,
        238
      ],
      "hsl": [
        249,
        80,
        67
      ],
      "cmyk": [
        48,
        56,
        0,
        7
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.2028,
      "contrast": {
        "black": 5.06,
        "white": 4.15
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.06
      },
      "description": "Medium Slate Blue is #7B68EE, a cool blue color with vibrant character. Compared with Slate Blue, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/medium-slate-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/medium-slate-blue.json"
    },
    {
      "slug": "slate-blue",
      "name": "Slate Blue",
      "hex": "#6A5ACD",
      "rgb": [
        106,
        90,
        205
      ],
      "hsl": [
        248,
        53,
        58
      ],
      "cmyk": [
        48,
        56,
        0,
        20
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.1478,
      "contrast": {
        "black": 3.96,
        "white": 5.31
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.31
      },
      "description": "Slate Blue is #6A5ACD, a cool blue color with balanced character. Compared with Medium Slate Blue, 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/slate-blue/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/slate-blue.json"
    }
  ],
  "differences": {
    "rgbDistance": 39.7,
    "contrastRatio": 1.28,
    "hslDelta": {
      "hue": 1,
      "saturation": 27,
      "lightness": 9
    },
    "luminanceDelta": 0.055,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [],
    "lighterColor": "Medium Slate Blue",
    "moreSaturatedColor": "Medium Slate Blue"
  },
  "accessibility": {
    "pairContrastRatio": 1.28,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Medium Slate Blue",
        "background": "#7B68EE",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.06
      },
      {
        "color": "Slate Blue",
        "background": "#6A5ACD",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.31
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Medium Slate Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #7B68EE.",
    "chooseSecondWhen": "Slate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #6A5ACD.",
    "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/medium-slate-blue-vs-slate-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/medium-slate-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/slate-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/medium-slate-blue-vs-slate-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/medium-slate-blue-vs-slate-blue.json"
}