# #15212d

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

## Values

- Hex: `#15212d`
- RGB: rgb(21, 33, 45)
- HSL: hsl(210, 36%, 13%)
- OKLCH: oklch(0.243 0.029 249.1)
- Relative luminance: 0.0144
- Nearest named color: Dark (#1b2431, Δ 1.596) — https://brandsweets.com/colors/dark
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/15212d

## Tints & shades

- Tints (toward white): #24384c, #314d68, #406387, #4d78a3, #668fb7, #82a3c4, #a1bad3, #bdcfe0, #dce6ef, #f8fafc
- Shades (toward black): #141f2a, #121c26, #101a23, #0f171f, #0f171f, #0d141c, #0b1218, #0a0f15, #080d11, #070a0e

## Harmonies

- Complementary: #2d2115
- Analogous: #152d2d, #15152d
- Triadic: #2d1521, #212d15
- Split-complementary: #2d1515, #2d2d15
- Tetradic: #2d152d, #2d2115, #152d15

## Colors that go with #15212d

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 #15212d without the hard edge of pure #000. Seen in: Audi (https://brandsweets.com/colors/brands/audi-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Volkswagen (https://brandsweets.com/colors/brands/vw-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #15212d in 18 real palettes, including Wikipedia's brand system and Google's brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Monzo's brand system and Bumble's brand system put Blue beside #15212d, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Signal (https://brandsweets.com/colors/brands/signal-org). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #15212d 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 #15212d, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Estate (https://brandsweets.com/palettes/luxury#estate), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Cartier (https://brandsweets.com/colors/brands/cartier-com). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including Woodsmoke and Typewriter put Brown beside #15212d, 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 #15212d, 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 #15212d in 6 real palettes, including Coastal and Chalkboard, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 16.31:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4d78a3 (4.53:1); AA: background → #878787 (4.54:1); AAA: text → #7499be (7.04:1); AAA: background → #ababab (7.1:1)

## Brands using this color

- **NFL** — accent #172029 (Δ 0.775) — https://brandsweets.com/colors/brands/nfl-com
- **Box** — text #151f26 (Δ 1.367) — https://brandsweets.com/colors/brands/box-com
- **Qatar Airways** — primary #1f212b (Δ 1.638) — https://brandsweets.com/colors/brands/qatarairways-com
- **Qatar Airways** — text #1f212b (Δ 1.638) — https://brandsweets.com/colors/brands/qatarairways-com
- **Airtable** — accent #181d26 (Δ 1.673) — https://brandsweets.com/colors/brands/airtable-com
- **AT&T** — primary #1d2329 (Δ 1.761) — https://brandsweets.com/colors/brands/att-com
- **AT&T** — text #1d2329 (Δ 1.761) — https://brandsweets.com/colors/brands/att-com
- **Audi** — secondary #181d25 (Δ 1.788) — https://brandsweets.com/colors/brands/audi-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
- **Pastel Pop** (pastel, playful, vivid, light) — #ff9fb2, #9ad0ec, #ffe08a, #ffffff, #1f1f2e — Pastels pushed to the saturated end — pink, sky and lemon — for brands that want soft AND loud. — tool: https://brandsweets.com/palettes/new/ff9fb2-9ad0ec-ffe08a-ffffff-1f1f2e — collection: https://brandsweets.com/palettes/pastel

## 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/15212d-9cabc4-df514e-1f202d-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: "#15212d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.