# #645b2b

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

## Values

- Hex: `#645b2b`
- RGB: rgb(100, 91, 43)
- HSL: hsl(51, 40%, 28%)
- OKLCH: oklch(0.469 0.068 98.9)
- Relative luminance: 0.1037
- Nearest named color: Cypress (#585d40, Δ 2.886) — https://brandsweets.com/colors/cypress
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/645b2b

## Tints & shades

- Tints (toward white): #7d7236, #968940, #afa04b, #bcae62, #c6bb7b, #d1c894, #dcd5ad, #e7e2c6, #f1eedf, #fcfbf8
- Shades (toward black): #5d5528, #524b23, #4b4520, #403b1c, #393418, #322e15, #272411, #201d0e, #151409, #0e0d06

## Harmonies

- Complementary: #2b3364
- Analogous: #643f2b, #50642b
- Triadic: #2b645b, #5b2b64
- Split-complementary: #2b5064, #3f2b64
- Tetradic: #2b643f, #2b3364, #642b50

## Colors that go with #645b2b

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #645b2b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Pampers (https://brandsweets.com/colors/brands/pampers-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #645b2b. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #645b2b: 5 real palettes, including Clay & Linen and Desert Road, as the lead colour. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bakery (https://brandsweets.com/palettes/warm#bakery), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #645b2b: 5 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Peru** #cd853f [pool] — 5 real palettes, including Bakery and Coffee Bar put Peru beside #645b2b, as the supporting colour. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/peru
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #645b2b in 4 real palettes, including Subaru's brand system and Console Light, as the supporting colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Console Light (https://brandsweets.com/palettes/technical#console-light), 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 #645b2b in 5 real palettes, including Magazine Ochre and Harvest, as the lead colour. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Harvest (https://brandsweets.com/palettes/warm#harvest), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Aesop (https://brandsweets.com/colors/brands/aesop-com). — https://brandsweets.com/colors/rust
- **Slate Blue** #6a5acd [harmony: complementary] — Slate Blue sits directly opposite #645b2b 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/slateblue

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

- On white (#ffffff): 6.83:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #605829 (7.18:1)
- On black (#000000): 3.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #817637 (4.58:1); AA: background → #d4d4d4 (4.61:1); AAA: text → #a49646 (7.03:1)

## Brands using this color

- **Miro** — secondary #695e24 (Δ 1.543) — https://brandsweets.com/colors/brands/miro-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/645b2b-c4c29c-4eaadf-292d1f-f1ece9?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: "#645b2b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.