# #131f2a

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

## Values

- Hex: `#131f2a`
- RGB: rgb(19, 31, 42)
- HSL: hsl(209, 38%, 12%)
- OKLCH: oklch(0.234 0.027 246.9)
- Relative luminance: 0.0129
- Nearest named color: Sunken Ship (#10252a, Δ 2.208) — https://brandsweets.com/colors/sunken-ship
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/131f2a

## Tints & shades

- Tints (toward white): #21364a, #2e4b66, #3c6286, #4977a2, #618eb8, #80a4c6, #9cb9d3, #bccfe1, #d8e3ee, #f8fafc
- Shades (toward black): #111c27, #101a23, #101a23, #0e1720, #0d151c, #0b1219, #090f15, #090f15, #080d12, #060a0e

## Harmonies

- Complementary: #2a1e13
- Analogous: #132a2a, #13132a
- Triadic: #2a131f, #1f2a13
- Split-complementary: #2a1313, #2a2a13
- Tetradic: #2a132a, #2a1e13, #132a13

## Colors that go with #131f2a

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 #131f2a 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), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #131f2a in 18 real palettes, including Google's brand system and Wikipedia's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Blueprint (https://brandsweets.com/palettes/technical#blueprint), 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 #131f2a, 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), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #131f2a 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] — 6 real palettes, including Graphite Mono and Estate put Blush Pink beside #131f2a, 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 Typewriter put Brown beside #131f2a, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), State Farm (https://brandsweets.com/colors/brands/statefarm-com), 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 #131f2a, 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 #131f2a in 6 real palettes, including Kiln and Coffee Bar, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 16.7:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.26:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4a79a5 (4.57:1); AA: background → #858585 (4.53:1); AAA: text → #729ac0 (7.1:1); AAA: background → #a8a8a8 (7.03:1)

## Brands using this color

- **NFL** — accent #172029 (Δ 0.788) — https://brandsweets.com/colors/brands/nfl-com
- **Box** — text #151f26 (Δ 0.819) — https://brandsweets.com/colors/brands/box-com
- **Airtable** — accent #181d26 (Δ 1.086) — https://brandsweets.com/colors/brands/airtable-com
- **Audi** — secondary #181d25 (Δ 1.19) — https://brandsweets.com/colors/brands/audi-com
- **Asana** — secondary #151b26 (Δ 1.439) — https://brandsweets.com/colors/brands/asana-com
- **Formula 1** — text #1c1c25 (Δ 1.76) — 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/131f2a-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: "#131f2a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.