# #644f1b

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

## Values

- Hex: `#644f1b`
- RGB: rgb(100, 79, 27)
- HSL: hsl(43, 57%, 25%)
- OKLCH: oklch(0.439 0.074 86.6)
- Relative luminance: 0.0838
- Nearest named color: Ayahuasca Vine (#665500, Δ 2.718) — https://brandsweets.com/colors/ayahuasca-vine
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/644f1b

## Tints & shades

- Tints (toward white): #806623, #a07f2c, #bc9534, #cda747, #d5b667, #ddc383, #e5d19f, #ecdebb, #f5eedb, #fdfbf7
- Shades (toward black): #5c4919, #544317, #4c3c15, #443613, #3c3010, #30260d, #28200b, #201909, #181307, #100d04

## Harmonies

- Complementary: #1b3064
- Analogous: #642b1b, #54641b
- Triadic: #1b644f, #4f1b64
- Split-complementary: #1b5464, #2b1b64
- Tetradic: #1b642b, #1b3064, #641b54

## Colors that go with #644f1b

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

- **Royal Blue** #4169e1 [harmony, pool: complementary] — Royal Blue sits directly opposite #644f1b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. 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). — https://brandsweets.com/colors/royalblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #644f1b, 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 #644f1b: 4 real palettes, including Bakery and Clay & Linen, as the accent. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Rust** #b7410e [pool] — Rust shows up next to #644f1b 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), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/rust
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #644f1b: 7 real palettes, including Darkroom and Homestead, as the supporting colour. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Homestead (https://brandsweets.com/palettes/warm#homestead), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sage-green
- **Blush Pink** #e8b4b8 [pool] — 3 real palettes, including Blush and Nursery put Blush Pink beside #644f1b, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #644f1b: 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). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #644f1b in 3 real palettes, including Undergrowth and Console Light, as the lead colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Console Light (https://brandsweets.com/palettes/technical#console-light), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 7.85:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.68:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #907227 (4.62:1); AA: background → #c7c7c7 (4.64:1); AAA: text → #b89232 (7.2:1); AAA: background → #f2f2f2 (7.01:1)

## 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/644f1b-c4bd9c-62b2cb-2b2d1f-f1ebe9?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: "#644f1b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.