# #51001a

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

## Values

- Hex: `#51001a`
- RGB: rgb(81, 0, 26)
- HSL: hsl(341, 100%, 16%)
- OKLCH: oklch(0.278 0.111 11.3)
- Relative luminance: 0.0182
- Nearest named color: What We Do in the Shadows (#441122, Δ 3.447) — https://brandsweets.com/colors/what-we-do-in-the-shadows
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/51001a

## Tints & shades

- Tints (toward white): #7a0027, #a30034, #d10042, #fa004f, #ff2469, #ff4d85, #ff75a1, #ffa3c0, #ffccdc, #fff5f8
- Shades (toward black): #4d0018, #470017, #3d0013, #380012, #330010, #2e000f, #29000d, #1f000a, #190008, #140006

## Harmonies

- Complementary: #005238
- Analogous: #520043, #520f00
- Triadic: #1a5200, #001a52
- Split-complementary: #00520f, #004352
- Tetradic: #435200, #005238, #0f0052

## Colors that go with #51001a

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 #51001a: 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), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #51001a — 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), YouTube (https://brandsweets.com/colors/brands/youtube-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #51001a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #51001a in 5 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), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — 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 #51001a, 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), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Darkroom and Allbirds's brand system put Champagne beside #51001a, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Allbirds (https://brandsweets.com/colors/brands/allbirds-com), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/champagne
- **Chocolate** #d2691e [pool] — Chocolate shows up next to #51001a in 4 real palettes, including Farmers Market and Wellness, as the lead colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Wellness (https://brandsweets.com/palettes/warm#wellness), Homestead (https://brandsweets.com/palettes/warm#homestead), Postman (https://brandsweets.com/colors/brands/postman-com). — https://brandsweets.com/colors/chocolate
- **Copper** #b87333 [pool] — Designers have shipped Copper with #51001a: 7 real palettes, including Chipotle's brand system and Bakery, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bakery (https://brandsweets.com/palettes/warm#bakery), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 15.39:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #eb004a (4.63:1); AA: background → #8c8c8c (4.58:1); AAA: text → #ff5c8f (7.18:1); AAA: background → #b0b0b0 (7.09:1)

## 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/51001a-c49ca4-62cb77-2d211f-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: "#51001a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.