# #0b180c

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

## Values

- Hex: `#0b180c`
- RGB: rgb(11, 24, 12)
- HSL: hsl(125, 37%, 7%)
- OKLCH: oklch(0.193 0.03 146.1)
- Relative luminance: 0.0075
- Nearest named color: King Kong (#161410, Δ 2.721) — https://brandsweets.com/colors/king-kong
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/0b180c

## Tints & shades

- Tints (toward white): #1a381c, #28572c, #37773c, #45964c, #5bb362, #7ac280, #9ad09e, #b9dfbc, #d9edda, #f8fcf8
- Shades (toward black): #0b180c, #0a150b, #0a150b, #0a150b, #0a150b, #081109, #081109, #081109, #060e07, #060e07

## Harmonies

- Complementary: #180b17
- Analogous: #11180b, #0b1813
- Triadic: #0c0b18, #180c0b
- Split-complementary: #130b18, #180b11
- Tetradic: #0b1118, #180b17, #18130b

## Colors that go with #0b180c

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 body-text near-black for #0b180c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: analogous] — Dark Olive Green is #0b180c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #0b180c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: IBM (https://brandsweets.com/colors/brands/ibm-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #0b180c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Oatly (https://brandsweets.com/colors/brands/oatly-com), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: split] — Slate Blue is a split-complement of #0b180c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Linear (https://brandsweets.com/colors/brands/linear), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0b180c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Perplexity (https://brandsweets.com/colors/brands/perplexity), Redfin (https://brandsweets.com/colors/brands/redfin-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Medium Orchid** #ba55d3 [harmony, pool: complementary] — Medium Orchid sits directly opposite #0b180c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Form Builder with AI Automation (https://brandsweets.com/colors/brands/typeform-com), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/mediumorchid
- **Amber** #ffbf00 [pool] — Amber is paired with #0b180c in 18 real palettes, including Ahrefs's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber

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

- On white (#ffffff): 18.26:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3d8543 (4.63:1); AA: background → #808080 (4.62:1); AAA: text → #4da855 (7.05:1); AAA: background → #a1a1a1 (7.07:1)

## Brands using this color

- **Sweetgreen** — primary #0e150e (Δ 1.43) — https://brandsweets.com/colors/brands/sweetgreen-com
- **Sweetgreen** — text #0e150e (Δ 1.43) — https://brandsweets.com/colors/brands/sweetgreen-com

## 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/0b180c-a2bea7-a54edf-1f2d26-ecf1e9?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: "#0b180c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.