# #6d183a

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

## Values

- Hex: `#6d183a`
- RGB: rgb(109, 24, 58)
- HSL: hsl(336, 64%, 26%)
- OKLCH: oklch(0.364 0.121 1.2)
- Relative luminance: 0.0421
- Nearest named color: Bordeaux (#7b002c, Δ 3.694) — https://brandsweets.com/colors/bordeaux
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/6d183a

## Tints & shades

- Tints (toward white): #8a1e49, #a72559, #c92c6b, #d6437e, #dc6092, #e37da6, #e99bba, #f0bcd1, #f7d9e5, #fdf7f9
- Shades (toward black): #641635, #5c1431, #4f112a, #471026, #3f0e21, #360c1d, #2e0a18, #210712, #19060d, #110409

## Harmonies

- Complementary: #186d4b
- Analogous: #6d1864, #6d2018
- Triadic: #3a6d18, #183a6d
- Split-complementary: #186d20, #18646d
- Tetradic: #646d18, #186d4b, #20186d

## Colors that go with #6d183a

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 #6d183a 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 #6d183a in 5 real palettes, including M&M's's brand system and Lenovo's brand system, as the supporting colour. Seen in: M&M's (https://brandsweets.com/colors/brands/mms-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6d183a: 3 real palettes, including Hinge's brand system and Heinz's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Heinz (https://brandsweets.com/colors/brands/heinz-com), Box (https://brandsweets.com/colors/brands/box-com). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #6d183a: 3 real palettes, including Macaron and Nursery, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Taupe** #483c32 [pool] — Taupe is paired with #6d183a in 3 real palettes, including Superhuman's brand system and Bookshop, as the supporting colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/taupe
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #6d183a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Rust** #b7410e [harmony, pool: analogous] — Rust is #6d183a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/rust
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #6d183a: 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): 11.4:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.84:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d33675 (4.55:1); AA: background → #a3a3a3 (4.52:1); AAA: text → #e0719d (7.02:1); AAA: background → #cccccc (7.1:1)

## Brands using this color

- **Mailchimp** — accent #692340 (Δ 1.952) — https://brandsweets.com/colors/brands/mailchimp-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/6d183a-c49ca7-62cb6e-2d201f-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: "#6d183a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.