# #0d0303

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

## Values

- Hex: `#0d0303`
- RGB: rgb(13, 3, 3)
- HSL: hsl(0, 63%, 3%)
- OKLCH: oklch(0.119 0.024 21.3)
- Relative luminance: 0.0016
- Nearest named color: Dark Matter (#110101, Δ 1.618) — https://brandsweets.com/colors/dark-matter
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/0d0303

## Tints & shades

- Tints (toward white): #360c0c, #5b1515, #851e1e, #aa2727, #d13333, #d95959, #e38282, #eba8a8, #f5d1d1, #fdf7f7
- Shades (toward black): #0c0303, #0c0303, #0c0303, #0c0303, #110404, #110404, #110404, #110404, #110404, #110404

## Harmonies

- Complementary: #030c0c
- Analogous: #0c0308, #0c0803
- Triadic: #030c03, #03030c
- Split-complementary: #030c08, #03080c
- Tetradic: #080c03, #030c0c, #08030c

## Colors that go with #0d0303

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black that reads cleanly against #0d0303 without the hard edge of pure #000. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #0d0303 in 14 real palettes, including Ember and Ahrefs's brand system, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Glossier's brand system and Uber's brand system put Blue beside #0d0303, as the accent. Seen in: Glossier (https://brandsweets.com/colors/brands/glossier-com), Uber (https://brandsweets.com/colors/brands/uber-com), Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #0d0303 in 9 real palettes, including Circuit and Render's brand system, as the lead colour. Seen in: Circuit (https://brandsweets.com/palettes/technical#circuit), Render (https://brandsweets.com/colors/brands/render-com), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Neobank (https://brandsweets.com/palettes/vivid#neobank). — https://brandsweets.com/colors/blueviolet
- **Brown** #a52a2a [pool] — 4 real palettes, including Velvet and Garnet put Brown beside #0d0303, as the lead colour. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), Garnet (https://brandsweets.com/palettes/warm#garnet), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/brown
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Midnight Luxe and Sweetgreen's brand system put Champagne beside #0d0303, as the text colour against it. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0d0303: 13 real palettes, including Oreo's brand system and Behance's brand system, as the lead colour. Seen in: Oreo (https://brandsweets.com/colors/brands/oreo-com), Behance (https://brandsweets.com/colors/brands/behance-net), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #0d0303: 4 real palettes, including Chipotle's brand system and Atelier, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Atelier (https://brandsweets.com/palettes/elegant#atelier), Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 20.36:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d44040 (4.61:1); AA: background → #787878 (4.61:1); AAA: text → #e07676 (7.02:1); AAA: background → #999999 (7.15:1)

## Brands using this color

- **Oreo** — text #0b0505 (Δ 1.262) — https://brandsweets.com/colors/brands/oreo-com

## 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/0d0303-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: "#0d0303" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.