# #641b3a

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

## Values

- Hex: `#641b3a`
- RGB: rgb(100, 27, 58)
- HSL: hsl(335, 57%, 25%)
- OKLCH: oklch(0.35 0.109 358.3)
- Relative luminance: 0.038
- Nearest named color: Drops of God (#571e2f, Δ 3.411) — https://brandsweets.com/colors/drops-of-god
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/641b3a

## Tints & shades

- Tints (toward white): #80234a, #a02c5c, #bc346c, #cd477f, #d56795, #dd83a8, #e59fbc, #ecbbd0, #f5dbe6, #fdf7f9
- Shades (toward black): #5c1935, #541730, #4c152c, #441327, #3c1023, #300d1c, #280b17, #200912, #18070e, #100409

## Harmonies

- Complementary: #1b6446
- Analogous: #641b5e, #64211b
- Triadic: #3a641b, #1b3a64
- Split-complementary: #1b6421, #1b5e64
- Tetradic: #5e641b, #1b6446, #211b64

## Colors that go with #641b3a

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 #641b3a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #641b3a, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Sketch (https://brandsweets.com/colors/brands/sketch-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #641b3a: 4 real palettes, including Bramble and Chipotle's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bakery (https://brandsweets.com/palettes/warm#bakery), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #641b3a in 5 real palettes, including M&M's's brand system and Burger King's brand system, as the supporting colour. Seen in: M&M's (https://brandsweets.com/colors/brands/mms-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #641b3a: 4 real palettes, including Macaron and Nursery, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/powderblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #641b3a: 4 real palettes, including Resort and Stone, as the supporting colour. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Stone (https://brandsweets.com/palettes/neutral#stone), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/sage-green
- **Slate Gray** #708090 [pool] — 4 real palettes, including Bookshop and Bloomberg's brand system put Slate Gray beside #641b3a, as the supporting colour. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/slategray
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #641b3a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.93:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.76:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #cb437c (4.63:1); AA: background → #a1a1a1 (4.62:1); AAA: text → #da77a0 (7.13:1); AAA: background → #c7c7c7 (7.06:1)

## 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/641b3a-c49ca8-62cb6d-2d201f-f1e9f0?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: "#641b3a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.