# #630403

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

## Values

- Hex: `#630403`
- RGB: rgb(99, 4, 3)
- HSL: hsl(1, 94%, 20%)
- OKLCH: oklch(0.317 0.126 28.9)
- Relative luminance: 0.0275
- Nearest named color: Rosewood (#65000b, Δ 1.015) — https://brandsweets.com/colors/rosewood
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/630403

## Tints & shades

- Tints (toward white): #8b0704, #b20806, #d50a07, #f8110d, #f93734, #fa5e5c, #fb8583, #fca7a6, #fdcece, #fff5f5
- Shades (toward black): #590403, #540403, #4a0302, #450302, #3b0302, #310202, #2d0201, #230201, #1e0101, #140101

## Harmonies

- Complementary: #036163
- Analogous: #630331, #633503
- Triadic: #036305, #050363
- Split-complementary: #036335, #033163
- Tetradic: #316303, #036163, #350363

## Colors that go with #630403

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 #630403 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 #630403 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 #630403: 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 #630403, 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #630403: 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
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #630403: 3 real palettes, including Bakery and Domino's's brand system, as the lead colour. Seen in: Bakery (https://brandsweets.com/palettes/warm#bakery), Domino's (https://brandsweets.com/colors/brands/dominos-com), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/saddlebrown
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #630403 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/royalblue
- **Cream** #fffdd0 [role] — Cream is the surface #630403 wants: a warm off-white that shares its undertone, so #630403 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 13.56:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.55:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e90b07 (4.52:1); AA: background → #969696 (4.58:1); AAA: text → #fa6361 (7.02:1); AAA: background → #bdbdbd (7.22:1)

## 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/630403-c4a19c-62cb9a-2d261f-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: "#630403" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.