# #510b29

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

## Values

- Hex: `#510b29`
- RGB: rgb(81, 11, 41)
- HSL: hsl(334, 76%, 18%)
- OKLCH: oklch(0.292 0.103 0.6)
- Relative luminance: 0.0215
- Nearest named color: What We Do in the Shadows (#441122, Δ 3.254) — https://brandsweets.com/colors/what-we-do-in-the-shadows
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/510b29

## Tints & shades

- Tints (toward white): #75103c, #99154e, #bc1a60, #e01f73, #e54389, #ea66a0, #ef8ab6, #f4aecc, #f9d2e3, #fef6f9
- Shades (toward black): #4c0a27, #430922, #3f0920, #36071b, #310719, #2d0617, #240512, #1f0410, #16030b, #120209

## Harmonies

- Complementary: #0b5133
- Analogous: #510b4c, #51100b
- Triadic: #29510b, #0b2951
- Split-complementary: #0b5110, #0b4c51
- Tetradic: #4c510b, #0b5133, #100b51

## Colors that go with #510b29

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 #510b29: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co), 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 #510b29: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Subaru (https://brandsweets.com/colors/brands/subaru-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #510b29 — 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 #510b29 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 #510b29 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 #510b29, 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 #510b29, 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 #510b29 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): 14.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e01f73 (4.61:1); AA: background → #8f8f8f (4.54:1); AAA: text → #eb6ba2 (7.16:1); AAA: background → #b3b3b3 (7.01:1)

## Brands using this color

- **Heinz** — secondary #540b26 (Δ 0.939) — 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/510b29-c49ca9-62cb6b-2d1f1f-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: "#510b29" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.