# #540331

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

## Values

- Hex: `#540331`
- RGB: rgb(84, 3, 49)
- HSL: hsl(326, 93%, 17%)
- OKLCH: oklch(0.295 0.118 353.4)
- Relative luminance: 0.0217
- Nearest named color: Blackberry (#43182f, Δ 4.625) — https://brandsweets.com/colors/blackberry
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/540331

## Tints & shades

- Tints (toward white): #7b0448, #a2065f, #ca0776, #f1098c, #f830a1, #f958b3, #fa7fc5, #fca6d7, #fdcee9, #fff5fb
- Shades (toward black): #4f032e, #450228, #400225, #3b0222, #360220, #2c021a, #270117, #220114, #19010e, #14010b

## Harmonies

- Complementary: #035426
- Analogous: #4e0354, #540308
- Triadic: #315403, #033154
- Split-complementary: #085403, #03544e
- Tetradic: #544e03, #035426, #030854

## Colors that go with #540331

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

- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #540331'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), Burger King (https://brandsweets.com/colors/brands/bk-com), M&M's (https://brandsweets.com/colors/brands/mms-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #540331 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 6 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #540331, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #540331: 6 real palettes, including Chipotle's brand system and Bramble, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bramble (https://brandsweets.com/palettes/muted#bramble), Bakery (https://brandsweets.com/palettes/warm#bakery), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #540331: 6 real palettes, including Heinz's brand system and Box's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Box (https://brandsweets.com/colors/brands/box-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #540331: 5 real palettes, including Bakery and Cider, as the lead colour. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Cider (https://brandsweets.com/palettes/warm#cider), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/saddlebrown
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #540331: 5 real palettes, including Resort and Oatmeal, as the supporting colour. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/sage-green
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #540331: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 14.64:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e20884 (4.6:1); AA: background → #8f8f8f (4.53:1); AAA: text → #f958b3 (7.07:1); AAA: background → #b5b5b5 (7.14:1)

## 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/540331-c19fae-67cb62-2d1f21-f1e9f1?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: "#540331" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.