Composition and band areas/order are generated display choices. Equal swatches show port row order. Original Wada proportions/order are unresolved.

Haishoku Sōkan — combination no. 28

No. 28

2 colors

Motion Message lab

ground
Deep Indigo紺色 rgb(5, 18, 48)
type + accent
Madder Brown赤白橡 rgb(118, 44, 25)

Highest-contrast pair: Madder Brown on Deep Indigo, 1.89:1 (decorative only; add a neutral for text).

/* Sanzo Wada — Haishoku Sōkan — combination no. 28 */
:root {
  --wada-madder-brown: #762c19; /* oklch(39.7% 0.109 35.4) · 赤白橡 */
  --wada-deep-indigo: #051230; /* oklch(19.2% 0.063 263.0) · 紺色 */

  /* suggested roles */
  --ground: var(--wada-deep-indigo);
  --type: var(--wada-madder-brown);
  --accent: var(--wada-madder-brown);
}

/* OKLCH variant */
:root {
  --wada-madder-brown: oklch(39.7% 0.109 35.4);
  --wada-deep-indigo: oklch(19.2% 0.063 263.0);
}

Source crosswalk: port number 28; authenticated modern page/plate and membership remain unresolved.

Download c28 JSON with IDs and provenance. Roles are suggestions computed from OKLCH chroma and contrast, not from Wada.

和田三造 · 配色総鑑. Screen colors are CMYK→sRGB digital approximations, including retained, unvalidated legacy estimates for unmatched Vol. 2 colors. Composition roles and month mappings follow the documented port method; edition mappings remain uncertain. Sources & method · Version 1 dataset (581 combinations, 330 color records) · Schema & provenance · Research context. Saved and Compare are local to this browser. Viewport-only screenshots show partial collections; complete cards are in the DOM and dataset.