# #6d181f

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

## Values

- Hex: `#6d181f`
- RGB: rgb(109, 24, 31)
- HSL: hsl(355, 64%, 26%)
- OKLCH: oklch(0.357 0.118 21.4)
- Relative luminance: 0.04
- Nearest named color: Bloodlust (#6b1c1a, Δ 1.117) — https://brandsweets.com/colors/bloodlust
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/6d181f

## Tints & shades

- Tints (toward white): #8a1e27, #a72530, #c92c39, #d6434f, #dc606a, #e37d86, #e99ba1, #f0bcc0, #f7d9dc, #fdf7f7
- Shades (toward black): #64161d, #5c141a, #4f1117, #471014, #3f0e12, #360c0f, #2e0a0d, #21070a, #190607, #110405

## Harmonies

- Complementary: #186d66
- Analogous: #6d1849, #6d3b18
- Triadic: #1f6d18, #181f6d
- Split-complementary: #186d3b, #18496d
- Tetradic: #496d18, #186d66, #3b186d

## Colors that go with #6d181f

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 #6d181f 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #6d181f: 4 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), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #6d181f in 5 real palettes, including M&M's's brand system and Burger King's brand system, as the supporting colour. Seen in: M&M's (https://brandsweets.com/colors/brands/mms-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6d181f: 4 real palettes, including Heinz's brand system and Box's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Box (https://brandsweets.com/colors/brands/box-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #6d181f in 5 real palettes, including Bookshop and Superhuman's brand system, as that palette's text colour. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Cider (https://brandsweets.com/palettes/warm#cider), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com). — https://brandsweets.com/colors/taupe
- **Blush Pink** #e8b4b8 [pool] — 3 real palettes, including Nursery and Blush put Blush Pink beside #6d181f, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #6d181f: 3 real palettes, including Nursery and Macaron, as the supporting colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Macaron (https://brandsweets.com/palettes/light#macaron), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #6d181f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.66:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.8:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d53f4b (4.64:1); AA: background → #a1a1a1 (4.51:1); AAA: text → #e1757e (7.05:1); AAA: background → #c9c9c9 (7.04:1)

## 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/6d181f-c49e9c-62cb8f-2d241f-f1e9ee?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: "#6d181f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.