No. 257

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Spectrum Red

In 4 combinations · Best text on it: white (4.7:1)
Orange Yellow

In 8 combinations · Best text on it: black (11.6:1)
Blue

In 12 combinations · Best text on it: white (5.4:1)
Aconite Violet

In 11 combinations · Best text on it: black (5.2:1)

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Contrast

WCAG 2 contrast for each pair, for text of one color on the other. AA needs 4.5:1 for body text, or 3:1 for large text; AAA needs 7:1.

Aa Aa

Spectrum Red + Orange Yellow

2.6:1 Fail
Aa Aa

Spectrum Red + Blue

1.1:1 Fail
Aa Aa

Spectrum Red + Aconite Violet

1.1:1 Fail
Aa Aa

Orange Yellow + Blue

3.0:1 Fail
Aa Aa

Orange Yellow + Aconite Violet

2.2:1 Fail
Aa Aa

Blue + Aconite Violet

1.3:1 Fail

Export

/* Sanzo Wada · Combination No. 257 */
:root {
  --spectrum-red:   #e31f26;
  --orange-yellow:  #fcb315;
  --blue:           #006eb8;
  --aconite-violet: #a36aa5;
}

// Sanzo Wada · Combination No. 257
$spectrum-red:   #e31f26;
$orange-yellow:  #fcb315;
$blue:           #006eb8;
$aconite-violet: #a36aa5;

/* Sanzo Wada · Combination No. 257 */
@theme {
  --color-spectrum-red:   #e31f26;
  --color-orange-yellow:  #fcb315;
  --color-blue:           #006eb8;
  --color-aconite-violet: #a36aa5;
}

// Sanzo Wada · Combination No. 257
// tailwind.config.js → theme.extend.colors
colors: {
  "spectrum-red": "#e31f26",
  "orange-yellow": "#fcb315",
  "blue": "#006eb8",
  "aconite-violet": "#a36aa5",
}

{
  "name": "Combination No. 257",
  "source": "Sanzo Wada, Haishoku Sōkan (1933)",
  "colors": [
    {
      "name": "Spectrum Red",
      "hex": "#e31f26",
      "rgb": [
        227,
        31,
        38
      ],
      "cmyk": [
        5,
        100,
        100,
        0
      ]
    },
    {
      "name": "Orange Yellow",
      "hex": "#fcb315",
      "rgb": [
        252,
        179,
        21
      ],
      "cmyk": [
        0,
        33,
        100,
        0
      ]
    },
    {
      "name": "Blue",
      "hex": "#006eb8",
      "rgb": [
        0,
        110,
        184
      ],
      "cmyk": [
        95,
        54,
        0,
        0
      ]
    },
    {
      "name": "Aconite Violet",
      "hex": "#a36aa5",
      "rgb": [
        163,
        106,
        165
      ],
      "cmyk": [
        39,
        68,
        5,
        0
      ]
    }
  ]
}

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