# #0b231d

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

## Values

- Hex: `#0b231d`
- RGB: rgb(11, 35, 29)
- HSL: hsl(165, 52%, 9%)
- OKLCH: oklch(0.235 0.032 174.7)
- Relative luminance: 0.0136
- Nearest named color: Nightmare (#112211, Δ 2.038) — https://brandsweets.com/colors/nightmare
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/0b231d

## Tints & shades

- Tints (toward white): #16463a, #216957, #2c8c74, #37ae91, #4dc7a8, #6cd0b7, #8fdcc8, #b1e7d9, #d4f2ea, #f7fdfb
- Shades (toward black): #0b231d, #0a1f1a, #0a1f1a, #091b16, #091b16, #071713, #071713, #061310, #061310, #05100d

## Harmonies

- Complementary: #230b11
- Analogous: #0b2311, #0b1d23
- Triadic: #1d0b23, #231d0b
- Split-complementary: #230b1d, #23110b
- Tetradic: #110b23, #230b11, #1d230b

## Colors that go with #0b231d

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 for #0b231d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #0b231d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Gallery (https://brandsweets.com/palettes/editorial#gallery), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/rust
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #0b231d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Asana (https://brandsweets.com/colors/brands/asana-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #0b231d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #0b231d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0b231d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Alpine (https://brandsweets.com/palettes/cool#alpine), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #0b231d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: T-Mobile (https://brandsweets.com/colors/brands/t-mobile-com), Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Amber** #ffbf00 [pool] — Amber is paired with #0b231d in 18 real palettes, including Google's brand system and Wikipedia's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber

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

- On white (#ffffff): 16.5:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.27:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2a846d (4.62:1); AA: background → #878787 (4.59:1); AAA: text → #35a78a (7.05:1); AAA: background → #ababab (7.19:1)

## Curated palettes containing it

- **Mint Modern** (modern, clean, friendly) — #10b981, #134e4a, #f59e0b, #ffffff, #10231b — Emerald as a primary rather than a success color, anchored by deep teal text — fresh, friendly, and fintech-adjacent. — tool: https://brandsweets.com/palettes/new/10b981-134e4a-f59e0b-ffffff-10231b — collection: https://brandsweets.com/palettes/modern

## 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/0b231d-a2beba-d459b3-1f2b2d-e9f1eb?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: "#0b231d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.