# #402b4a

A color — cool, muted, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#402b4a`
- RGB: rgb(64, 43, 74)
- HSL: hsl(281, 26%, 23%)
- OKLCH: oklch(0.328 0.06 314.4)
- Relative luminance: 0.0331
- Nearest named color: Murasaki (#4f284b, Δ 3.069) — https://brandsweets.com/colors/murasaki
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/402b4a

## Tints & shades

- Tints (toward white): #573a64, #6a487a, #805794, #9368a6, #a582b5, #b598c3, #c8b2d2, #d8c8df, #eae2ee, #faf9fb
- Shades (toward black): #3b2843, #35243d, #2f2037, #2a1c30, #271a2d, #221727, #1c1320, #160f1a, #110b13, #0b080d

## Harmonies

- Complementary: #354a2b
- Analogous: #312b4a, #4a2b44
- Triadic: #4a402b, #2b4a40
- Split-complementary: #444a2b, #2b4a31
- Tetradic: #4a312b, #354a2b, #2b444a

## Colors that go with #402b4a

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Dark Olive Green** #556b2f [harmony, pool: split] — Dark Olive Green is a split-complement of #402b4a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #402b4a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #402b4a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #402b4a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #402b4a in 5 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Sketch's brand system and Minecraft's brand system put Blue beside #402b4a, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Blush and Garden Wedding put Blush Pink beside #402b4a, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #402b4a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 12.63:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9065a4 (4.58:1); AA: background → #9c9c9c (4.6:1); AAA: text → #ac8bbb (7.16:1); AAA: background → #c2c2c2 (7.09:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/402b4a-ba9fc1-b6cb62-2d1f2c-ebe9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#402b4a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.