# #400336

A color — warm, vivid, dark, playful, bold, luxury. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#400336`
- RGB: rgb(64, 3, 54)
- HSL: hsl(310, 91%, 13%)
- OKLCH: oklch(0.257 0.108 336.3)
- Relative luminance: 0.0142
- Nearest named color: Dark Sanctuary (#3f012c, Δ 1.889) — https://brandsweets.com/colors/dark-sanctuary
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/400336

## Tints & shades

- Tints (toward white): #6b055a, #92077b, #be09a0, #e50bc1, #f529d3, #f750db, #f97be4, #fba2ec, #fdcef5, #fff5fd
- Shades (toward black): #3a0331, #36032d, #310229, #2c0225, #2c0225, #270221, #22021d, #1d0119, #180114, #130110

## Harmonies

- Complementary: #033f0d
- Analogous: #2b033f, #3f0317
- Triadic: #353f03, #03353f
- Split-complementary: #173f03, #033f2b
- Tetradic: #3f2b03, #033f0d, #03173f

## Colors that go with #400336

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #400336: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Volkswagen (https://brandsweets.com/colors/brands/vw-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #400336's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Pinterest (https://brandsweets.com/colors/brands/pinterest-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), AliExpress (https://brandsweets.com/colors/brands/aliexpress-com). — https://brandsweets.com/colors/crimson
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #400336 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom). — https://brandsweets.com/colors/seagreen
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #400336: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #400336 in 9 real palettes, including Southwest Airlines's brand system and Wikipedia's brand system, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #400336, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #400336: 8 real palettes, including SoFi's brand system and Dusk, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Allbirds's brand system and Bramble put Champagne beside #400336, as the accent. Seen in: Allbirds (https://brandsweets.com/colors/brands/allbirds-com), Bramble (https://brandsweets.com/palettes/muted#bramble), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 16.35:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d60ab4 (4.56:1); AA: background → #878787 (4.55:1); AAA: text → #f750db (7.13:1); AAA: background → #ababab (7.12:1)

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/400336-c19fb7-83cb62-2d1f25-efe9f1?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: "#400336" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.