# #0b1d23

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

## Values

- Hex: `#0b1d23`
- RGB: rgb(11, 29, 35)
- HSL: hsl(195, 52%, 9%)
- OKLCH: oklch(0.218 0.027 221.9)
- Relative luminance: 0.0107
- Nearest named color: Black Stallion (#0e191c, Δ 1.71) — https://brandsweets.com/colors/black-stallion
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/0b1d23

## Tints & shades

- Tints (toward white): #163a46, #215769, #2c748c, #3791ae, #4da8c7, #6cb7d0, #8fc8dc, #b1d9e7, #d4eaf2, #f7fbfd
- Shades (toward black): #0b1d23, #0a1a1f, #0a1a1f, #09161b, #09161b, #071317, #071317, #061013, #061013, #050d10

## Harmonies

- Complementary: #23110b
- Analogous: #0b231d, #0b1123
- Triadic: #230b1d, #1d230b
- Split-complementary: #230b11, #231d0b
- Tetradic: #1d0b23, #23110b, #11230b

## Colors that go with #0b1d23

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 #0b1d23 without the hard edge of pure #000. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Asana (https://brandsweets.com/colors/brands/asana-com), Audi (https://brandsweets.com/colors/brands/audi-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #0b1d23 in 18 real palettes, including Warner Bros.'s brand system and Blueprint, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including Monzo's brand system and Signal's brand system put Blue beside #0b1d23, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Signal (https://brandsweets.com/colors/brands/signal-org), CVS (https://brandsweets.com/colors/brands/cvs-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #0b1d23 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 Estate and Graphite Mono put Blush Pink beside #0b1d23, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Cartier (https://brandsweets.com/colors/brands/cartier-com), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #0b1d23, 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 #0b1d23, 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 #0b1d23 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): 17.29:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #307d97 (4.51:1); AA: background → #828282 (4.5:1); AAA: text → #3da1c2 (7.08:1); AAA: background → #a6a6a6 (7.1:1)

## Brands using this color

- **Vimeo** — text #141a20 (Δ 1.528) — https://brandsweets.com/colors/brands/vimeo-com
- **Box** — text #151f26 (Δ 1.751) — https://brandsweets.com/colors/brands/box-com
- **Asana** — secondary #151b26 (Δ 1.777) — https://brandsweets.com/colors/brands/asana-com
- **Affirm** — text #101820 (Δ 1.83) — https://brandsweets.com/colors/brands/affirm-com
- **Chase** — text #101820 (Δ 1.83) — https://brandsweets.com/colors/brands/chase-com
- **Philips** — primary #15191e (Δ 1.905) — https://brandsweets.com/colors/brands/philips-com
- **Philips** — text #15191e (Δ 1.905) — https://brandsweets.com/colors/brands/philips-com
- **Audi** — secondary #181d25 (Δ 1.996) — https://brandsweets.com/colors/brands/audi-com

## Curated palettes containing it

- **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
- 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/0b1d23-9cb5c4-df4e70-1f242d-e9f1ef?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: "#0b1d23" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.