# #670405

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

## Values

- Hex: `#670405`
- RGB: rgb(103, 4, 5)
- HSL: hsl(359, 93%, 21%)
- OKLCH: oklch(0.326 0.129 28.1)
- Relative luminance: 0.0298
- Nearest named color: Rosewood (#65000b, Δ 0.991) — https://brandsweets.com/colors/rosewood
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/670405

## Tints & shades

- Tints (toward white): #8f0507, #b10609, #d9080b, #f61317, #f83a3d, #f95d5f, #fb8486, #fcabad, #fdcecf, #fff5f5
- Shades (toward black): #5e0305, #590305, #4f0304, #450204, #400203, #360203, #2c0202, #220102, #1e0102, #140101

## Harmonies

- Complementary: #046766
- Analogous: #670437, #673404
- Triadic: #056704, #040567
- Split-complementary: #046734, #043767
- Tetradic: #376704, #046766, #340467

## Colors that go with #670405

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 #670405 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
- **Crimson** #dc143c [pool] — Crimson is paired with #670405 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
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #670405: 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #670405: 3 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). — https://brandsweets.com/colors/copper
- **Blue** #0000ff [pool] — Two real palettes: Tim Hortons's brand system and Dunkin''s brand system put Blue beside #670405, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #670405: two real palettes: Reebok's brand system and Hershey's's brand system, as the accent. Seen in: Reebok (https://brandsweets.com/colors/brands/reebok-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Cream** #fffdd0 [role] — Cream is the surface #670405 wants: a warm off-white that shares its undertone, so #670405 reads softer on it than on pure white. — https://brandsweets.com/colors/cream
- **Denim** #1560bd [pool] — Designers have shipped Denim with #670405: two real palettes: Heinz's brand system and Box's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Box (https://brandsweets.com/colors/brands/box-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 13.16:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ec090c (4.61:1); AA: background → #999999 (4.62:1); AAA: text → #f96669 (7.13:1); AAA: background → #bdbdbd (7:1)

## 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/670405-c4a09c-62cb96-2d251f-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: "#670405" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.