# #21171f

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

## Values

- Hex: `#21171f`
- RGB: rgb(33, 23, 31)
- HSL: hsl(312, 18%, 11%)
- OKLCH: oklch(0.221 0.022 333.4)
- Relative luminance: 0.0104
- Nearest named color: Night Demons (#201b20, Δ 1.36) — https://brandsweets.com/colors/night-demons
- Moods: warm, muted, dark, editorial, elegant, luxury, bold
- Page: https://brandsweets.com/colors/21171f

## Tints & shades

- Tints (toward white): #3c2a39, #543b4f, #6f4d69, #8a6082, #a17899, #b290ab, #c4abbf, #d7c6d4, #e8dee6, #fbf9fa
- Shades (toward black): #1e151c, #1e151c, #1b1319, #181117, #181117, #150f14, #120d11, #0f0a0e, #0f0a0e, #0c080b

## Harmonies

- Complementary: #172119
- Analogous: #1e1721, #21171a
- Triadic: #1f2117, #171f21
- Split-complementary: #1a2117, #17211e
- Tetradic: #211e17, #172119, #171a21

## Colors that go with #21171f

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 #21171f without the hard edge of pure #000. Seen in: Logitech (https://brandsweets.com/colors/brands/logitech-com), N26 (https://brandsweets.com/colors/brands/n26-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #21171f in 18 real palettes, including Warner Bros.'s brand system and Google's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Google (https://brandsweets.com/colors/brands/google-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including Warp's brand system and Signal's brand system put Blue beside #21171f, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Signal (https://brandsweets.com/colors/brands/signal-org), CVS (https://brandsweets.com/colors/brands/cvs-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #21171f in 10 real palettes, including Yahoo's brand system and ClickUp's brand system, as the supporting colour. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), ClickUp (https://brandsweets.com/colors/brands/clickup-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 #21171f, 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), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #21171f, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Garnet (https://brandsweets.com/palettes/warm#garnet), Velvet (https://brandsweets.com/palettes/luxury#velvet). — 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 #21171f, 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 #21171f in 6 real palettes, including Coffee Bar and Kiln, as the accent. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln), Velvet (https://brandsweets.com/palettes/luxury#velvet), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 17.4:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #93668a (4.51:1); AA: background → #828282 (4.53:1); AAA: text → #b08da9 (7.23:1); AAA: background → #a6a6a6 (7.15:1)

## Brands using this color

- **Pinterest** — text #211922 (Δ 0.763) — https://brandsweets.com/colors/brands/pinterest-com
- **Warp** — text #1a1522 (Δ 1.858) — https://brandsweets.com/colors/brands/warp-dev
- **Allbirds** — primary #241c24 (Δ 1.908) — https://brandsweets.com/colors/brands/allbirds-com
- **JetBrains** — text #19191c (Δ 1.917) — https://brandsweets.com/colors/brands/jetbrains-com
- **Formula 1** — text #1c1c25 (Δ 1.926) — https://brandsweets.com/colors/brands/formula1-com
- **Spline** — text #191a1d (Δ 1.978) — https://brandsweets.com/colors/brands/spline-design

## Curated palettes containing it

- **Bramble** (autumn, muted, elegant, dark) — #6b2d3e, #9a6f3c, #c8a97e, #1e1519, #f2e9e4 — Blackberry and bark with a wheat highlight on a plum-black surface — late-autumn, quiet, slightly gothic. — tool: https://brandsweets.com/palettes/new/6b2d3e-9a6f3c-c8a97e-1e1519-f2e9e4 — collection: https://brandsweets.com/palettes/autumn

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- editorial: https://brandsweets.com/fonts/mood/editorial
- elegant: https://brandsweets.com/fonts/mood/elegant
- 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/21171f-c19fb6-80cb62-2d1f24-efe9f1?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: "#21171f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.