# #631003

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

## Values

- Hex: `#631003`
- RGB: rgb(99, 16, 3)
- HSL: hsl(8, 94%, 20%)
- OKLCH: oklch(0.325 0.118 32.2)
- Relative luminance: 0.0303
- Nearest named color: Blood of Zeus (#640f09, Δ 0.621) — https://brandsweets.com/colors/blood-of-zeus
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/631003

## Tints & shades

- Tints (toward white): #8b1604, #b21d06, #d52207, #f82c0d, #f94e34, #fa715c, #fb9383, #fcb1a6, #fdd4ce, #fff6f5
- Shades (toward black): #590e03, #540d03, #4a0c02, #450b02, #3b0a02, #310802, #2d0701, #230601, #1e0501, #140301

## Harmonies

- Complementary: #035663
- Analogous: #630326, #634003
- Triadic: #036310, #100363
- Split-complementary: #036340, #032663
- Tetradic: #266303, #035663, #400363

## Colors that go with #631003

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 #631003 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 #631003, 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), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #631003: 5 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 #631003 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 #631003: 5 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 #631003: 7 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 #631003: 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
- **Cream** #fffdd0 [role] — Cream is the surface #631003 wants: a warm off-white that shares its undertone, so #631003 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 13.08:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.61:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e42407 (4.55:1); AA: background → #999999 (4.59:1); AAA: text → #fa6852 (7.17:1); AAA: background → #bfbfbf (7.11:1)

## 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/631003-c4a69c-62cba6-2d271f-f1e9ec?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: "#631003" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.