# #540d28

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

## Values

- Hex: `#540d28`
- RGB: rgb(84, 13, 40)
- HSL: hsl(337, 73%, 19%)
- OKLCH: oklch(0.299 0.104 3.5)
- Relative luminance: 0.0233
- Nearest named color: Drops of God (#571e2f, Δ 3.345) — https://brandsweets.com/colors/drops-of-god
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/540d28

## Tints & shades

- Tints (toward white): #771339, #9a184a, #be1e5b, #dd276d, #e34a85, #e8699a, #ed8cb1, #f3b0c9, #f8d3e1, #fef6f9
- Shades (toward black): #4f0c26, #470b22, #420a20, #39091c, #350819, #2c0715, #280613, #1f050f, #1a040d, #120308

## Harmonies

- Complementary: #0d5439
- Analogous: #540d4c, #54150d
- Triadic: #28540d, #0d2854
- Split-complementary: #0d5415, #0d4c54
- Tetradic: #4c540d, #0d5439, #150d54

## Colors that go with #540d28

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 #540d28: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Boeing (https://brandsweets.com/colors/brands/boeing-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #540d28: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #540d28 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Astro (https://brandsweets.com/colors/brands/astro-build), Discover (https://brandsweets.com/colors/brands/discover-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #540d28 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), Saffron (https://brandsweets.com/palettes/warm#saffron). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #540d28 in 4 real palettes, including McDonald's's brand system and Maple, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Maple (https://brandsweets.com/palettes/warm#maple), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #540d28, 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
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Bramble and Darkroom put Champagne beside #540d28, as the text colour against it. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Allbirds (https://brandsweets.com/colors/brands/allbirds-com), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Chocolate** #d2691e [pool] — Chocolate shows up next to #540d28 in 4 real palettes, including Homestead and Wellness, as the accent. Seen in: Homestead (https://brandsweets.com/palettes/warm#homestead), Wellness (https://brandsweets.com/palettes/warm#wellness), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Postman (https://brandsweets.com/colors/brands/postman-com). — https://brandsweets.com/colors/chocolate

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

- On white (#ffffff): 14.33:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #dd226a (4.51:1); AA: background → #919191 (4.55:1); AAA: text → #e86d9d (7.11:1); AAA: background → #b8b8b8 (7.23:1)

## Brands using this color

- **Heinz** — secondary #540b26 (Δ 0.372) — https://brandsweets.com/colors/brands/heinz-com

## 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/540d28-c49ca7-62cb70-2d201f-f1e9f0?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: "#540d28" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.