# #643a0c

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

## Values

- Hex: `#643a0c`
- RGB: rgb(100, 58, 12)
- HSL: hsl(31, 79%, 22%)
- OKLCH: oklch(0.392 0.082 62.4)
- Relative luminance: 0.0576
- Nearest named color: Brown (#653700, Δ 0.877) — https://brandsweets.com/colors/brown-2
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/643a0c

## Tints & shades

- Tints (toward white): #894f10, #a96114, #cd7618, #e58824, #ea9c48, #eeb06d, #f2c18d, #f6d5b1, #fae6d1, #fefaf6
- Shades (toward black): #5b340b, #522f0a, #4e2c09, #442708, #3b2207, #321d06, #291805, #251504, #1b1003, #120a02

## Harmonies

- Complementary: #0c3764
- Analogous: #640d0c, #63640c
- Triadic: #0c643a, #3a0c64
- Split-complementary: #0c6364, #0d0c64
- Tetradic: #0c640d, #0c3764, #640c63

## Colors that go with #643a0c

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

- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #643a0c in 4 real palettes, including Bookshop and Darkroom, as the accent. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #643a0c: 8 real palettes, including Stone and Darkroom, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/sage-green
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #643a0c: 4 real palettes, including Candlelight and Resort, as the accent. Seen in: Candlelight (https://brandsweets.com/palettes/warm#candlelight), Resort (https://brandsweets.com/palettes/light#resort), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/wheat
- **Steel Blue** #4682b4 [harmony: complementary] — Steel Blue sits directly opposite #643a0c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #643a0c: 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
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #643a0c: 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). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 3 real palettes, including Dunkin''s brand system and Minecraft's brand system put Blue beside #643a0c, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Cream** #fffdd0 [role] — Cream is the surface #643a0c wants: a warm off-white that shares its undertone, so #643a0c reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 9.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ad6314 (4.57:1); AA: background → #b3b3b3 (4.65:1); AAA: text → #db7e1a (7.01:1); AAA: background → #dbdbdb (7.05:1)

## Brands using this color

- **Domino's** — secondary #603913 (Δ 1.012) — https://brandsweets.com/colors/brands/dominos-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/643a0c-c4b59c-62c7cb-2d2c1f-f1eae9?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: "#643a0c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.