# #640c0f

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

## Values

- Hex: `#640c0f`
- RGB: rgb(100, 12, 15)
- HSL: hsl(358, 79%, 22%)
- OKLCH: oklch(0.326 0.12 25.8)
- Relative luminance: 0.0301
- Nearest named color: Blood of Zeus (#640f09, Δ 0.764) — https://brandsweets.com/colors/blood-of-zeus
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/640c0f

## Tints & shades

- Tints (toward white): #891014, #a91419, #cd181e, #e5242a, #ea484e, #ee6d71, #f28d90, #f6b1b4, #fad1d3, #fef6f6
- Shades (toward black): #5b0b0d, #520a0c, #4e090b, #44080a, #3b0709, #320607, #290506, #250405, #1b0304, #120203

## Harmonies

- Complementary: #0c6461
- Analogous: #640c3b, #64350c
- Triadic: #0f640c, #0c0f64
- Split-complementary: #0c6435, #0c3b64
- Tetradic: #3b640c, #0c6461, #350c64

## Colors that go with #640c0f

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 #640c0f 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #640c0f: 4 real palettes, including Chipotle's brand system and Bramble, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bramble (https://brandsweets.com/palettes/muted#bramble), 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 #640c0f in 4 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), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #640c0f: 4 real palettes, including Domino's's brand system and Bakery, as the accent. Seen in: Domino's (https://brandsweets.com/colors/brands/dominos-com), Bakery (https://brandsweets.com/palettes/warm#bakery), Homestead (https://brandsweets.com/palettes/warm#homestead), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/saddlebrown
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #640c0f: 4 real palettes, including Resort and Polaroid, as the supporting colour. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Polaroid (https://brandsweets.com/palettes/light#polaroid), Homestead (https://brandsweets.com/palettes/warm#homestead), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sage-green
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #640c0f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 3 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #640c0f, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Cream** #fffdd0 [role] — Cream is the surface #640c0f wants: a warm off-white that shares its undertone, so #640c0f reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 13.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e51f26 (4.56:1); AA: background → #999999 (4.6:1); AAA: text → #ee6d71 (7.06:1); AAA: background → #bfbfbf (7.13:1)

## 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/640c0f-c49f9c-62cb95-2d251f-f1e9ed?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: "#640c0f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.