# #28212b

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

## Values

- Hex: `#28212b`
- RGB: rgb(40, 33, 43)
- HSL: hsl(282, 13%, 15%)
- OKLCH: oklch(0.26 0.021 315.7)
- Relative luminance: 0.0171
- Nearest named color: Black Velvet (#222233, Δ 1.774) — https://brandsweets.com/colors/black-velvet
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/28212b

## Tints & shades

- Tints (toward white): #3e3342, #56475c, #6b5973, #816a8a, #9783a0, #aa9ab1, #beb1c3, #d1c8d5, #e7e2e9, #faf9fb
- Shades (toward black): #261f28, #231d25, #201b23, #1e1820, #1b161d, #151217, #131014, #100d11, #0d0b0e, #0b090c

## Harmonies

- Complementary: #242b21
- Analogous: #23212b, #2b2129
- Triadic: #2b2821, #212b28
- Split-complementary: #292b21, #212b23
- Tetradic: #2b2321, #242b21, #21292b

## Colors that go with #28212b

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 #28212b without the hard edge of pure #000. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #28212b 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), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including Rolex's brand system and Bumble's brand system put Blue beside #28212b, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Sketch (https://brandsweets.com/colors/brands/sketch-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #28212b 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 Blush put Blush Pink beside #28212b, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Estate (https://brandsweets.com/palettes/luxury#estate). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including Typewriter and Woodsmoke put Brown beside #28212b, as the accent. Seen in: Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/brown
- **Burlywood** #deb887 [pool] — Burlywood is paired with #28212b in 6 real palettes, including Kiln and Chalkboard, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #28212b: 10 real palettes, including Dusk and SoFi's brand system, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), SoFi (https://brandsweets.com/colors/brands/sofi-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 15.64:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #836d8d (4.54:1); AA: background → #8a8a8a (4.53:1); AAA: text → #a18fa8 (7.01:1); AAA: background → #b0b0b0 (7.21:1)

## Brands using this color

- **Zed** — text #242529 (Δ 1.682) — https://brandsweets.com/colors/brands/zed-dev
- **Qatar Airways** — primary #1f212b (Δ 1.685) — https://brandsweets.com/colors/brands/qatarairways-com
- **Qatar Airways** — text #1f212b (Δ 1.685) — https://brandsweets.com/colors/brands/qatarairways-com
- **GitHub** — text #1f2328 (Δ 1.937) — https://brandsweets.com/colors/brands/github
- **7-Eleven** — primary #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/7-eleven-com
- **7-Eleven** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/7-eleven-com
- **AMD** — primary #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/amd-com
- **AMD** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/amd-com
- **Boeing** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/boeing-com
- **Calvin Klein** — primary #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/calvinklein-us
- **Calvin Klein** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/calvinklein-us
- **Datadog** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/datadoghq-com
- **Tommy Hilfiger** — primary #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/tommy-com
- **Tommy Hilfiger** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/tommy-com
- **Trader Joe's** — primary #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/traderjoes-com
- **Trader Joe's** — text #212529 (Δ 1.953) — https://brandsweets.com/colors/brands/traderjoes-com

## Curated palettes containing it

- **Dusk** (cool, muted, elegant) — #4b5d8a, #8b97b3, #c07a4e, #eef0f4, #1f2430 — Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals. — tool: https://brandsweets.com/palettes/new/4b5d8a-8b97b3-c07a4e-eef0f4-1f2430 — collection: https://brandsweets.com/palettes/cool

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/28212b-ba9fc1-b4cb62-2d1f2b-ebe9f1?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: "#28212b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.