# #644b40

A color — warm, muted, editorial, elegant. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#644b40`
- RGB: rgb(100, 75, 64)
- HSL: hsl(18, 22%, 32%)
- OKLCH: oklch(0.436 0.039 44.9)
- Relative luminance: 0.0811
- Nearest named color: Black Power (#654b37, Δ 1.336) — https://brandsweets.com/colors/black-power
- Moods: warm, muted, editorial, elegant
- Page: https://brandsweets.com/colors/644b40

## Tints & shades

- Tints (toward white): #795b4e, #8c695a, #a07a6a, #ab8a7c, #b99e92, #c7b1a8, #d3c2bb, #e1d5d0, #ede6e3, #fbf9f9
- Shades (toward black): #5a433a, #513c34, #4b3830, #41312a, #382a24, #2f231e, #251c18, #1f1714, #16100e, #0c0908

## Harmonies

- Complementary: #405964
- Analogous: #644047, #645c40
- Triadic: #40644a, #4a4064
- Split-complementary: #40645c, #404764
- Tetradic: #476440, #405964, #5c4064

## Colors that go with #644b40

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 #644b40 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Saffron (https://brandsweets.com/palettes/warm#saffron), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #644b40, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Bramble (https://brandsweets.com/palettes/muted#bramble), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #644b40: 6 real palettes, including Bakery and Desert Road, as the accent. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bramble (https://brandsweets.com/palettes/muted#bramble), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #644b40: 4 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #644b40 in 5 real palettes, including Console Light and Subaru's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Subaru (https://brandsweets.com/colors/brands/subaru-com), GitHub (https://brandsweets.com/colors/brands/github), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [pool] — Rust shows up next to #644b40 in 4 real palettes, including Magazine Ochre and Trailhead, as the lead colour. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Aesop (https://brandsweets.com/colors/brands/aesop-com), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/rust
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #644b40: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com). — https://brandsweets.com/colors/steelblue
- **Cream** #fffdd0 [role] — Cream is the surface #644b40 wants: a warm off-white that shares its undertone, so #644b40 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 8.01:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.62:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #926d5d (4.57:1); AA: background → #c4c4c4 (4.59:1); AAA: text → #af9083 (7.14:1); AAA: background → #f0f0f0 (7.03:1)

## Curated palettes containing it

- **Sepia Mono** (monochrome, warm, vintage, muted) — #5c4a3a, #9c8b78, #cdbfae, #f7f1e8, #2f251d — A single warm brown from espresso to oat — the sepia scale as a working palette, not a filter. — tool: https://brandsweets.com/palettes/new/5c4a3a-9c8b78-cdbfae-f7f1e8-2f251d — collection: https://brandsweets.com/palettes/monochrome

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- editorial: https://brandsweets.com/fonts/mood/editorial
- elegant: https://brandsweets.com/fonts/mood/elegant

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/644b40-c4ad9c-62cbb8-2d291f-f1e9eb?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: "#644b40" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.