# #0d1821

A color — cool, dark, luxury, bold, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#0d1821`
- RGB: rgb(13, 24, 33)
- HSL: hsl(207, 43%, 9%)
- OKLCH: oklch(0.203 0.024 244)
- Relative luminance: 0.0085
- Nearest named color: Black Stallion (#0e191c, Δ 1.203) — https://brandsweets.com/colors/black-stallion
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/0d1821

## Tints & shades

- Tints (toward white): #1a3042, #274862, #346083, #4178a4, #578fbc, #74a2c8, #95b8d5, #b6cee2, #d7e4ef, #f8fafc
- Shades (toward black): #0d1821, #0c151d, #0c151d, #0a131a, #0a131a, #091016, #091016, #070d12, #070d12, #060b0f

## Harmonies

- Complementary: #21160d
- Analogous: #0d2120, #0d0e21
- Triadic: #210d18, #18210d
- Split-complementary: #210d0e, #21200d
- Tetradic: #200d21, #21160d, #0e210d

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

- On white (#ffffff): 17.95:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #437aa8 (4.59:1); AA: background → #808080 (4.55:1); AAA: text → #699bc3 (7.08:1); AAA: background → #a3a3a3 (7.12:1)

## Brands using this color

- **Chase** — text #101820 (Δ 0.484) — https://brandsweets.com/colors/brands/chase-com
- **Monzo** — text #091723 (Δ 0.85) — https://brandsweets.com/colors/brands/monzo-com
- **MongoDB** — text #061621 (Δ 1.345) — https://brandsweets.com/colors/brands/mongodb-com
- **Vimeo** — text #141a20 (Δ 1.46) — https://brandsweets.com/colors/brands/vimeo-com
- **Asana** — secondary #151b26 (Δ 1.977) — https://brandsweets.com/colors/brands/asana-com

## Curated palettes containing it

- **Indigo SaaS** (modern, cool, clean) — #4f46e5, #6b7280, #10b981, #ffffff, #111827 — The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states. — tool: https://brandsweets.com/palettes/new/4f46e5-6b7280-10b981-ffffff-111827 — collection: https://brandsweets.com/palettes/modern
- **Estate** (luxury, dark, elegant) — #b08d57, #8a97a5, #c9c9c9, #101418, #eef1f4 — Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color. — tool: https://brandsweets.com/palettes/new/b08d57-8a97a5-c9c9c9-101418-eef1f4 — collection: https://brandsweets.com/palettes/luxury
- **Cobalt Pop** (bold, cool, vivid, modern) — #1e40af, #111827, #fb7185, #ffffff — One deep cobalt and one hot pink on white — a two-accent system for launches and campaign pages that need punch. — tool: https://brandsweets.com/palettes/new/1e40af-111827-fb7185-ffffff — collection: https://brandsweets.com/palettes/bold

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0d1821-9cadc4-df4e53-1f212d-e9f1f1?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: "#0d1821" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.