# #1b2221

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

## Values

- Hex: `#1b2221`
- RGB: rgb(27, 34, 33)
- HSL: hsl(171, 11%, 12%)
- OKLCH: oklch(0.245 0.01 186)
- Relative luminance: 0.0149
- Nearest named color: Underworld (#1e231c, Δ 1.194) — https://brandsweets.com/colors/underworld
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/1b2221

## Tints & shades

- Tints (toward white): #303b3a, #425250, #566c68, #68827e, #809995, #99adaa, #b0bfbd, #c9d4d2, #e0e6e5, #f9fafa
- Shades (toward black): #191f1e, #171c1b, #171c1b, #141919, #121716, #101413, #0e1110, #0e1110, #0b0e0e, #090b0b

## Harmonies

- Complementary: #221b1c
- Analogous: #1b221e, #1b2022
- Triadic: #211b22, #22211b
- Split-complementary: #221b20, #221e1b
- Tetradic: #1e1b22, #221b1c, #20221b

## Colors that go with #1b2221

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 #1b2221 without the hard edge of pure #000. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #1b2221 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), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Bumble's brand system and Rolex's brand system put Blue beside #1b2221, as the supporting colour. Seen in: Bumble (https://brandsweets.com/colors/brands/bumble-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Signal (https://brandsweets.com/colors/brands/signal-org), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #1b2221 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 #1b2221, 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 #1b2221, 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 #1b2221, 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 #1b2221 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), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 16.19:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #627a76 (4.56:1); AA: background → #878787 (4.51:1); AAA: text → #829b97 (7.08:1); AAA: background → #ababab (7.05:1)

## Brands using this color

- **Wikipedia** — primary #202122 (Δ 0.973) — https://brandsweets.com/colors/brands/wikipedia-org
- **Wikipedia** — text #202122 (Δ 0.973) — https://brandsweets.com/colors/brands/wikipedia-org
- **Bumble** — primary #202020 (Δ 1.036) — https://brandsweets.com/colors/brands/bumble-com
- **Bumble** — text #202020 (Δ 1.036) — https://brandsweets.com/colors/brands/bumble-com
- **ClickUp** — text #202020 (Δ 1.036) — https://brandsweets.com/colors/brands/clickup-com
- **Lamborghini** — primary #202020 (Δ 1.036) — https://brandsweets.com/colors/brands/lamborghini-com
- **Lamborghini** — text #202020 (Δ 1.036) — https://brandsweets.com/colors/brands/lamborghini-com
- **Cohere** — text #212121 (Δ 1.077) — https://brandsweets.com/colors/brands/cohere-com
- **Postman** — text #212121 (Δ 1.077) — https://brandsweets.com/colors/brands/postman-com
- **Rolex** — text #212121 (Δ 1.077) — https://brandsweets.com/colors/brands/rolex-com
- **SoFi** — primary #212121 (Δ 1.077) — https://brandsweets.com/colors/brands/sofi-com
- **SoFi** — text #212121 (Δ 1.077) — https://brandsweets.com/colors/brands/sofi-com
- **GitLab** — text #1f1f1f (Δ 1.16) — https://brandsweets.com/colors/brands/gitlab
- **Google** — text #1f1f1f (Δ 1.16) — https://brandsweets.com/colors/brands/google-com
- **HubSpot** — text #1f1f1f (Δ 1.16) — https://brandsweets.com/colors/brands/hubspot-com
- **Revolut** — text #1f1f1f (Δ 1.16) — https://brandsweets.com/colors/brands/revolut-com
- **Acer** — text #222222 (Δ 1.266) — https://brandsweets.com/colors/brands/acer-com
- **Airbnb** — text #222222 (Δ 1.266) — https://brandsweets.com/colors/brands/airbnb
- **AliExpress** — primary #222222 (Δ 1.266) — https://brandsweets.com/colors/brands/aliexpress-com
- **AliExpress** — text #222222 (Δ 1.266) — https://brandsweets.com/colors/brands/aliexpress-com
- **Nikon** — primary #222222 (Δ 1.266) — https://brandsweets.com/colors/brands/nikon-com
- **Nikon** — text #222222 (Δ 1.266) — https://brandsweets.com/colors/brands/nikon-com
- **Figma** — text #1e1e1e (Δ 1.407) — https://brandsweets.com/colors/brands/figma
- **Nokia** — text #1d1e20 (Δ 1.424) — https://brandsweets.com/colors/brands/nokia-com
- **WhatsApp** — primary #1c1e21 (Δ 1.473) — https://brandsweets.com/colors/brands/whatsapp-com
- **WhatsApp** — text #1c1e21 (Δ 1.473) — https://brandsweets.com/colors/brands/whatsapp-com
- **GitHub** — text #1f2328 (Δ 1.537) — https://brandsweets.com/colors/brands/github
- **AT&T** — primary #1d2329 (Δ 1.555) — https://brandsweets.com/colors/brands/att-com
- **AT&T** — text #1d2329 (Δ 1.555) — https://brandsweets.com/colors/brands/att-com
- **Apple** — primary #221e1f (Δ 1.733) — https://brandsweets.com/colors/brands/apple-com
- **Todoist** — text #25221e (Δ 1.812) — https://brandsweets.com/colors/brands/todoist-com
- **Retool** — primary #242424 (Δ 1.879) — https://brandsweets.com/colors/brands/retool-com
- **Box** — text #151f26 (Δ 1.969) — https://brandsweets.com/colors/brands/box-com
- **Victoria's Secret** — primary #221d1d (Δ 1.973) — https://brandsweets.com/colors/brands/victoriassecret-com
- **Victoria's Secret** — text #221d1d (Δ 1.973) — https://brandsweets.com/colors/brands/victoriassecret-com

## Curated palettes containing it

- **Fresh Juice** (playful, vivid, light) — #ff6b35, #ffd166, #06d6a0, #ffffff, #1f1f1f — Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color. — tool: https://brandsweets.com/palettes/new/ff6b35-ffd166-06d6a0-ffffff-1f1f1f — collection: https://brandsweets.com/palettes/playful
- **Forest Floor** (dark, muted, warm) — #8fae6a, #6b7a5a, #d9a05b, #1b2419, #e9e6dc — Moss and bark with a mushroom-cap amber — grounded and quiet, made for long-form nature content. — tool: https://brandsweets.com/palettes/new/8fae6a-6b7a5a-d9a05b-1b2419-e9e6dc — collection: https://brandsweets.com/palettes/dark
- **Crayon Box** (playful, vivid, friendly) — #ff5e5b, #00cecb, #ffed66, #ffffff, #222222 — Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups. — tool: https://brandsweets.com/palettes/new/ff5e5b-00cecb-ffed66-ffffff-222222 — collection: https://brandsweets.com/palettes/playful
- **Playground** (bold, playful, warm) — #ff8c00, #3b82f6, #22c55e, #fff8e7, #1d1d1d — Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids. — tool: https://brandsweets.com/palettes/new/ff8c00-3b82f6-22c55e-fff8e7-1d1d1d — collection: https://brandsweets.com/palettes/bold
- **Retro Pop** (playful, bold, warm) — #e63946, #457b9d, #f4a261, #fff4e0, #23201c — Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast. — tool: https://brandsweets.com/palettes/new/e63946-457b9d-f4a261-fff4e0-23201c — collection: https://brandsweets.com/palettes/playful
- **Paper & Pine** (minimal, cool, clean, muted) — #1f4d3a, #8aa39b, #d98c3f, #f7f7f4, #1c2321 — Deep pine on paper-white with a marmalade accent — a quiet, sustainable-brand palette that isn't beige. — tool: https://brandsweets.com/palettes/new/1f4d3a-8aa39b-d98c3f-f7f7f4-1c2321 — collection: https://brandsweets.com/palettes/minimal
- **Diner** (retro, vivid, playful, bold) — #e63946, #2a9d8f, #f4d35e, #fffdf5, #1d1d1b — Cherry red, mint-teal and butter yellow — chrome-and-vinyl retro; the red does the work, the teal cools it. — tool: https://brandsweets.com/palettes/new/e63946-2a9d8f-f4d35e-fffdf5-1d1d1b — collection: https://brandsweets.com/palettes/retro
- **Graphite Mono** (monochrome, neutral, minimal, modern) — #222222, #767676, #bdbdbd, #fafafa, #111111 — Five greys, no hue — the true monochrome; the accent is a lighter grey, so hierarchy comes from weight and size alone. — tool: https://brandsweets.com/palettes/new/222222-767676-bdbdbd-fafafa-111111 — collection: https://brandsweets.com/palettes/monochrome

## 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/1b2221-a2bebd-d459a7-1f292d-e9f1ec?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: "#1b2221" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
