# #870000

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

## Values

- Hex: `#870000`
- RGB: rgb(135, 0, 0)
- HSL: hsl(0, 100%, 26%)
- OKLCH: oklch(0.391 0.161 29.2)
- Relative luminance: 0.0515
- Nearest named color: darkred (#8b0000, Δ 0.906) — https://brandsweets.com/colors/darkred
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/870000

## Tints & shades

- Tints (toward white): #a80000, #cc0000, #f50000, #ff1a1a, #ff3d3d, #ff6161, #ff8585, #ffadad, #ffd1d1, #fff5f5
- Shades (toward black): #7a0000, #700000, #610000, #570000, #4d0000, #420000, #380000, #290000, #1f0000, #140000

## Harmonies

- Complementary: #008585
- Analogous: #850042, #854200
- Triadic: #008500, #000085
- Split-complementary: #008542, #004285
- Tetradic: #428500, #008585, #420085

## Colors that go with #870000

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 #870000 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 #870000 in 5 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), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Burger King (https://brandsweets.com/colors/brands/bk-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #870000 in 10 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 #870000: 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
- **Champagne** #f7e7ce [pool] — 3 real palettes, including Bramble and Woodsmoke put Champagne beside #870000, as the text colour against it. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #870000: 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 #870000 — 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
- **Cream** #fffdd0 [role] — Cream is the surface #870000 wants: a warm off-white that shares its undertone, so #870000 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 10.34:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #eb0000 (4.53:1); AA: background → #ababab (4.5:1); AAA: text → #ff6161 (7.13:1); AAA: background → #d6d6d6 (7.12:1)

## 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/870000-c4a19c-62cb98-2d251f-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: "#870000" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.