# #660f0f

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

## Values

- Hex: `#660f0f`
- RGB: rgb(102, 15, 15)
- HSL: hsl(0, 74%, 23%)
- OKLCH: oklch(0.332 0.12 26.8)
- Relative luminance: 0.032
- Nearest named color: Blood of Zeus (#640f09, Δ 0.721) — https://brandsweets.com/colors/blood-of-zeus
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/660f0f

## Tints & shades

- Tints (toward white): #8a1515, #a91919, #cc1e1e, #e02e2e, #e55252, #ea7171, #ef9595, #f4b4b4, #f9d7d7, #fef6f6
- Shades (toward black): #5d0e0e, #540d0d, #4b0b0b, #430a0a, #3e0909, #350808, #2c0707, #230505, #1b0404, #120303

## Harmonies

- Complementary: #0f6666
- Analogous: #660f3b, #663b0f
- Triadic: #0f660f, #0f0f66
- Split-complementary: #0f663b, #0f3b66
- Tetradic: #3b660f, #0f6666, #3b0f66

## Colors that go with #660f0f

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 #660f0f 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 #660f0f: 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 #660f0f 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
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #660f0f: 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), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/sage-green
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #660f0f: 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 #660f0f, 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
- **Blush Pink** #e8b4b8 [pool] — 3 real palettes, including Blush and Nursery put Blush Pink beside #660f0f, 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
- **Cream** #fffdd0 [role] — Cream is the surface #660f0f wants: a warm off-white that shares its undertone, so #660f0f reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 12.8:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.64:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #df2a2a (4.5:1); AA: background → #9c9c9c (4.66:1); AAA: text → #ea7171 (7.1:1); AAA: background → #c2c2c2 (7.19:1)

## 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/660f0f-c4a19c-62cb98-2d251f-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: "#660f0f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.