# #121f2b

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

## Values

- Hex: `#121f2b`
- RGB: rgb(18, 31, 43)
- HSL: hsl(209, 41%, 12%)
- OKLCH: oklch(0.233 0.03 247.2)
- Relative luminance: 0.0128
- Nearest named color: Sunken Ship (#10252a, Δ 2.276) — https://brandsweets.com/colors/sunken-ship
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/121f2b

## Tints & shades

- Tints (toward white): #20364c, #2c4b68, #396289, #4577a5, #5d8ebb, #7ea4c9, #9ab9d5, #bbcfe2, #d7e3ee, #f8fafc
- Shades (toward black): #111c28, #0f1a24, #0f1a24, #0e1720, #0c151d, #0b1219, #091016, #091016, #080d12, #060a0e

## Harmonies

- Complementary: #2b1e12
- Analogous: #122b2b, #12122b
- Triadic: #2b121f, #1f2b12
- Split-complementary: #2b1212, #2b2b12
- Tetradic: #2b122b, #2b1e12, #122b12

## Colors that go with #121f2b

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 #121f2b without the hard edge of pure #000. Seen in: Audi (https://brandsweets.com/colors/brands/audi-com), Asana (https://brandsweets.com/colors/brands/asana-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #121f2b in 18 real palettes, including Blueprint and Google's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Bumble's brand system and Signal's brand system put Blue beside #121f2b, as the supporting colour. Seen in: Bumble (https://brandsweets.com/colors/brands/bumble-com), Signal (https://brandsweets.com/colors/brands/signal-org), Rolex (https://brandsweets.com/colors/brands/rolex-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #121f2b in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Graphite Mono and Estate put Blush Pink beside #121f2b, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Estate (https://brandsweets.com/palettes/luxury#estate), Cartier (https://brandsweets.com/colors/brands/cartier-com), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #121f2b, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/brown
- **Burgundy** #800020 [pool] — 4 real palettes, including Qatar Airways's brand system and Mailchimp's brand system put Burgundy beside #121f2b, as the accent. Seen in: Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com), Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Rare Beauty (https://brandsweets.com/colors/brands/rarebeauty-com). — https://brandsweets.com/colors/burgundy
- **Burlywood** #deb887 [pool] — Burlywood is paired with #121f2b in 6 real palettes, including Coastal and Kiln, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 16.71:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.26:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4779a9 (4.58:1); AA: background → #858585 (4.53:1); AAA: text → #6f9ac3 (7.09:1); AAA: background → #a8a8a8 (7.03:1)

## Brands using this color

- **NFL** — accent #172029 (Δ 0.975) — https://brandsweets.com/colors/brands/nfl-com
- **Box** — text #151f26 (Δ 1.044) — https://brandsweets.com/colors/brands/box-com
- **Airtable** — accent #181d26 (Δ 1.271) — https://brandsweets.com/colors/brands/airtable-com
- **Audi** — secondary #181d25 (Δ 1.388) — https://brandsweets.com/colors/brands/audi-com
- **Asana** — secondary #151b26 (Δ 1.51) — https://brandsweets.com/colors/brands/asana-com
- **Formula 1** — text #1c1c25 (Δ 1.933) — https://brandsweets.com/colors/brands/formula1-com

## Curated palettes containing it

- **Alpine** (cool, clean, light) — #1f6f8b, #7fa2b6, #e76f51, #f5f8fa, #15222e — Glacier blue with a safety-orange accent: technical outdoor gear, not lifestyle. — tool: https://brandsweets.com/palettes/new/1f6f8b-7fa2b6-e76f51-f5f8fa-15222e — collection: https://brandsweets.com/palettes/cool
- **Arctic** (clean, cool, minimal) — #0f1b2d, #7d93a8, #0ea5e9, #ffffff — Navy type on white with an ice-blue accent: crisp and corporate without going grey. — tool: https://brandsweets.com/palettes/new/0f1b2d-7d93a8-0ea5e9-ffffff — collection: https://brandsweets.com/palettes/clean

## 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/121f2b-9cacc4-df4e4e-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: "#121f2b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.