# #1f1b23

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

## Values

- Hex: `#1f1b23`
- RGB: rgb(31, 27, 35)
- HSL: hsl(270, 13%, 12%)
- OKLCH: oklch(0.23 0.016 307.7)
- Relative luminance: 0.012
- Nearest named color: Night Demons (#201b20, Δ 0.611) — https://brandsweets.com/colors/night-demons
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/1f1b23

## Tints & shades

- Tints (toward white): #362f3d, #4a4054, #61546d, #756685, #8c7d9b, #a397af, #b8aec1, #cfc8d5, #e3dfe7, #faf9fb
- Shades (toward black): #1c1820, #1a161d, #1a161d, #17141a, #141217, #121014, #0f0d11, #0f0d11, #0d0b0e, #0a090c

## Harmonies

- Complementary: #1f231b
- Analogous: #1b1b23, #231b23
- Triadic: #231f1b, #1b231f
- Split-complementary: #23231b, #1b231b
- Tetradic: #231b1b, #1f231b, #1b2323

## Colors that go with #1f1b23

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 #1f1b23 without the hard edge of pure #000. Seen in: Audi (https://brandsweets.com/colors/brands/audi-com), Logitech (https://brandsweets.com/colors/brands/logitech-com), N26 (https://brandsweets.com/colors/brands/n26-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #1f1b23 in 18 real palettes, including Google's brand system and Warner Bros.'s brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Signal's brand system and Bumble's brand system put Blue beside #1f1b23, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Bumble (https://brandsweets.com/colors/brands/bumble-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #1f1b23 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] — 5 real palettes, including Graphite Mono and Estate put Blush Pink beside #1f1b23, 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 #1f1b23, 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), Typewriter (https://brandsweets.com/palettes/editorial#typewriter). — 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 #1f1b23, 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 #1f1b23 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), 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): 16.94:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #806f90 (4.59:1); AA: background → #858585 (4.59:1); AAA: text → #9e92ab (7.15:1); AAA: background → #a8a8a8 (7.13:1)

## Brands using this color

- **Formula 1** — text #1c1c25 (Δ 0.669) — https://brandsweets.com/colors/brands/formula1-com
- **Pinterest** — text #211922 (Δ 0.736) — https://brandsweets.com/colors/brands/pinterest-com
- **Allbirds** — primary #241c24 (Δ 1.109) — https://brandsweets.com/colors/brands/allbirds-com
- **WhatsApp** — primary #1c1e21 (Δ 1.36) — https://brandsweets.com/colors/brands/whatsapp-com
- **WhatsApp** — text #1c1e21 (Δ 1.36) — https://brandsweets.com/colors/brands/whatsapp-com
- **Audi** — secondary #181d25 (Δ 1.369) — https://brandsweets.com/colors/brands/audi-com
- **Airtable** — accent #181d26 (Δ 1.393) — https://brandsweets.com/colors/brands/airtable-com
- **Nokia** — text #1d1e20 (Δ 1.432) — https://brandsweets.com/colors/brands/nokia-com
- **Brave** — primary #1c1c1d (Δ 1.491) — https://brandsweets.com/colors/brands/brave-com
- **Brave** — text #1c1c1d (Δ 1.491) — https://brandsweets.com/colors/brands/brave-com
- **Apple** — primary #221e1f (Δ 1.658) — https://brandsweets.com/colors/brands/apple-com
- **Victoria's Secret** — primary #221d1d (Δ 1.668) — https://brandsweets.com/colors/brands/victoriassecret-com
- **Victoria's Secret** — text #221d1d (Δ 1.668) — https://brandsweets.com/colors/brands/victoriassecret-com
- **Figma** — text #1e1e1e (Δ 1.697) — https://brandsweets.com/colors/brands/figma
- **Spline** — text #191a1d (Δ 1.714) — https://brandsweets.com/colors/brands/spline-design
- **Fitbit** — primary #191c1d (Δ 1.808) — https://brandsweets.com/colors/brands/fitbit-com
- **Fitbit** — text #191c1d (Δ 1.808) — https://brandsweets.com/colors/brands/fitbit-com
- **Logitech** — primary #1b1b1b (Δ 1.819) — https://brandsweets.com/colors/brands/logitech-com
- **Logitech** — text #1b1b1b (Δ 1.819) — https://brandsweets.com/colors/brands/logitech-com
- **N26** — text #1b1b1b (Δ 1.819) — https://brandsweets.com/colors/brands/n26-com
- **NASA** — text #1b1b1b (Δ 1.819) — https://brandsweets.com/colors/brands/nasa-gov
- **Signal** — primary #1b1b1b (Δ 1.819) — https://brandsweets.com/colors/brands/signal-org
- **Signal** — text #1b1b1b (Δ 1.819) — https://brandsweets.com/colors/brands/signal-org
- **GitLab** — text #1f1f1f (Δ 1.863) — https://brandsweets.com/colors/brands/gitlab
- **Google** — text #1f1f1f (Δ 1.863) — https://brandsweets.com/colors/brands/google-com
- **HubSpot** — text #1f1f1f (Δ 1.863) — https://brandsweets.com/colors/brands/hubspot-com
- **Revolut** — text #1f1f1f (Δ 1.863) — https://brandsweets.com/colors/brands/revolut-com
- **Asana** — secondary #151b26 (Δ 1.886) — https://brandsweets.com/colors/brands/asana-com
- **JetBrains** — text #19191c (Δ 1.908) — https://brandsweets.com/colors/brands/jetbrains-com
- **Gusto** — primary #1c1b1a (Δ 1.914) — https://brandsweets.com/colors/brands/gusto-com
- **Gusto** — text #1c1b1a (Δ 1.914) — https://brandsweets.com/colors/brands/gusto-com
- **Qatar Airways** — secondary #181825 (Δ 1.922) — https://brandsweets.com/colors/brands/qatarairways-com
- **Netlify** — text #181a1c (Δ 1.993) — https://brandsweets.com/colors/brands/netlify-com

## Curated palettes containing it

- **Ink & Paper** (minimal, editorial, clean) — #1b1b1b, #6e6e6e, #1e40af, #fcfbf7 — Two greys and one ink-blue link color: the palette of a well-set book page. — tool: https://brandsweets.com/palettes/new/1b1b1b-6e6e6e-1e40af-fcfbf7 — collection: https://brandsweets.com/palettes/minimal
- **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
- **Learning App** (playful, vivid, friendly) — #58cc02, #1cb0f6, #ff9600, #ffffff, #1c1c1c — Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward. — tool: https://brandsweets.com/palettes/new/58cc02-1cb0f6-ff9600-ffffff-1c1c1c — 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
- **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
- **Fireside** (winter, dark, warm, luxury) — #b23a3a, #2f5d50, #d4a857, #171a1f, #f2ede4 — Cranberry, pine and brass on a charcoal night — the holiday palette without the clichés, because the surface is cold. — tool: https://brandsweets.com/palettes/new/b23a3a-2f5d50-d4a857-171a1f-f2ede4 — collection: https://brandsweets.com/palettes/winter

## 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/1f1b23-b59cc4-c9cb62-2c1f2d-eae9f1?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: "#1f1b23" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.