# #520a1f

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

## Values

- Hex: `#520a1f`
- RGB: rgb(82, 10, 31)
- HSL: hsl(343, 78%, 18%)
- OKLCH: oklch(0.29 0.103 10.3)
- Relative luminance: 0.0211
- Nearest named color: What We Do in the Shadows (#441122, Δ 3.203) — https://brandsweets.com/colors/what-we-do-in-the-shadows
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/520a1f

## Tints & shades

- Tints (toward white): #760f2c, #9a1339, #bf1847, #e31c54, #e74070, #ec658b, #f089a6, #f5adc2, #f9d2dd, #fef6f8
- Shades (toward black): #4d0a1d, #440819, #400818, #360714, #320613, #2d0611, #24040e, #20040c, #170308, #120207

## Harmonies

- Complementary: #0a523d
- Analogous: #520a42, #521a0a
- Triadic: #1e520a, #0a1e52
- Split-complementary: #0a521a, #0a4252
- Tetradic: #42520a, #0a523d, #1a0a52

## Colors that go with #520a1f

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 #520a1f: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #520a1f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Box (https://brandsweets.com/colors/brands/box-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), YouTube (https://brandsweets.com/colors/brands/youtube-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #520a1f 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), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #520a1f in 6 real palettes, including Maple and McDonald's's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), 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 #520a1f, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #520a1f: 4 real palettes, including Clean Beauty and SoFi's brand system, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), SoFi (https://brandsweets.com/colors/brands/sofi-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Darkroom and Bramble put Champagne beside #520a1f, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Bramble (https://brandsweets.com/palettes/muted#bramble), 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 #520a1f in 4 real palettes, including Wellness and Homestead, as the accent. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Homestead (https://brandsweets.com/palettes/warm#homestead), 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): 14.77:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.42:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e31c54 (4.56:1); AA: background → #8f8f8f (4.57:1); AAA: text → #ed6e92 (7.25:1); AAA: background → #b3b3b3 (7.04:1)

## Brands using this color

- **Heinz** — secondary #540b26 (Δ 1.244) — 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/520a1f-c49ca3-62cb7b-2d211f-f1e9ef?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: "#520a1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.