# #643111

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

## Values

- Hex: `#643111`
- RGB: rgb(100, 49, 17)
- HSL: hsl(23, 71%, 23%)
- OKLCH: oklch(0.375 0.085 49.3)
- Relative luminance: 0.0495
- Nearest named color: Brown (#653700, Δ 2.263) — https://brandsweets.com/colors/brown-2
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/643111

## Tints & shades

- Tints (toward white): #874217, #a6511c, #c96222, #dc7332, #e28b55, #e7a073, #edb896, #f2ccb5, #f8e4d8, #fef9f6
- Shades (toward black): #5c2d10, #53280e, #4a240d, #41200b, #3d1e0a, #341a09, #2c1507, #231106, #1a0d04, #110903

## Harmonies

- Complementary: #114464
- Analogous: #64111b, #645b11
- Triadic: #116431, #311164
- Split-complementary: #11645b, #111b64
- Tetradic: #1b6411, #114464, #5b1164

## Colors that go with #643111

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

- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #643111's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: M&M's (https://brandsweets.com/colors/brands/mms-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: complementary] — Steel Blue sits directly opposite #643111 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including Dunkin''s brand system and Tim Hortons's brand system put Blue beside #643111, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #643111: 5 real palettes, including Bramble and Bakery, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Bakery (https://brandsweets.com/palettes/warm#bakery), Notion (https://brandsweets.com/colors/brands/notion), Chipotle (https://brandsweets.com/colors/brands/chipotle-com). — https://brandsweets.com/colors/copper
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #643111: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Headspace (https://brandsweets.com/colors/brands/headspace-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #643111: 8 real palettes, including Stone and Garden Wedding, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Resort (https://brandsweets.com/palettes/light#resort), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/sage-green
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #643111: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Cream** #fffdd0 [role] — Cream is the surface #643111 wants: a warm off-white that shares its undertone, so #643111 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 10.56:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.99:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bc5b20 (4.66:1); AA: background → #ababab (4.6:1); AAA: text → #de7c3f (7.06:1); AAA: background → #d4d4d4 (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/643111-c4b09c-62cbc0-2d2b1f-f1e9ea?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: "#643111" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.