# #81090b

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

## Values

- Hex: `#81090b`
- RGB: rgb(129, 9, 11)
- HSL: hsl(359, 87%, 27%)
- OKLCH: oklch(0.384 0.15 27.8)
- Relative luminance: 0.0489
- Nearest named color: maroon (#800000, Δ 0.909) — https://brandsweets.com/colors/maroon
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/81090b

## Tints & shades

- Tints (toward white): #a20b0e, #c40e11, #e51013, #f0282c, #f34f51, #f57072, #f79193, #fab3b4, #fcd4d5, #fef5f6
- Shades (toward black): #77080a, #690709, #5f0708, #560607, #4c0506, #3e0405, #340404, #2b0304, #1d0202, #130102

## Harmonies

- Complementary: #09817f
- Analogous: #810947, #814309
- Triadic: #0b8109, #090b81
- Split-complementary: #098143, #094781
- Tetradic: #478109, #09817f, #430981

## Colors that go with #81090b

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

- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #81090b 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). — https://brandsweets.com/colors/teal
- **Crimson** #dc143c [pool] — Crimson is paired with #81090b in 4 real palettes, including State Farm's brand system and M&M's's brand system, as the lead colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), M&M's (https://brandsweets.com/colors/brands/mms-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #81090b in 8 real palettes, including Bookshop and Cider, as that palette's text colour. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Cider (https://brandsweets.com/palettes/warm#cider), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com), Chipotle (https://brandsweets.com/colors/brands/chipotle-com). — https://brandsweets.com/colors/taupe
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #81090b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/steelblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #81090b: 3 real palettes, including Bramble and Chipotle's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #81090b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com). — https://brandsweets.com/colors/royalblue
- **Champagne** #f7e7ce [pool] — Two real palettes: Bramble and Darkroom put Champagne beside #81090b, as the text colour against it. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Cream** #fffdd0 [role] — Cream is the surface #81090b wants: a warm off-white that shares its undertone, so #81090b reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 10.62:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ea1014 (4.58:1); AA: background → #ababab (4.62:1); AAA: text → #f56b6d (7.21:1); AAA: background → #d4d4d4 (7.16:1)

## 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/81090b-c4a09c-62cb96-2d251f-f1e9ed?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: "#81090b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.