# #0f291e

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

## Values

- Hex: `#0f291e`
- RGB: rgb(15, 41, 30)
- HSL: hsl(155, 46%, 11%)
- OKLCH: oklch(0.256 0.039 163.8)
- Relative luminance: 0.0178
- Nearest named color: Underworld (#1e231c, Δ 2.745) — https://brandsweets.com/colors/underworld
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/0f291e

## Tints & shades

- Tints (toward white): #1c4a37, #27684d, #338a66, #3fab7e, #57c195, #75cca8, #97d8bd, #b8e5d2, #d6f0e5, #f8fcfa
- Shades (toward black): #0e251b, #0e251b, #0c2219, #0b1e16, #0b1e16, #0a1a13, #081610, #07130e, #07130e, #060f0b

## Harmonies

- Complementary: #290f1a
- Analogous: #0f2911, #0f2729
- Triadic: #1e0f29, #291e0f
- Split-complementary: #290f27, #29110f
- Tetradic: #110f29, #290f1a, #27290f

## Colors that go with #0f291e

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 #0f291e: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Firebrick** #b22222 [harmony, pool: split] — Firebrick is a split-complement of #0f291e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #0f291e'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), Wellness (https://brandsweets.com/palettes/warm#wellness), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #0f291e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #0f291e — 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), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0f291e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #0f291e 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 #0f291e in 18 real palettes, including Wikipedia's brand system and Google's brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber

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

- On white (#ffffff): 15.48:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #328663 (4.73:1); AA: background → #8c8c8c (4.6:1); AAA: text → #3ea87c (7.1:1); AAA: background → #b0b0b0 (7.14:1)

## Curated palettes containing it

- **Undergrowth** (forest, dark, muted, earthy) — #7fb069, #5a6650, #e6aa68, #1b2a1f, #e9efe6 — Fern and lichen with a fungus orange on a fir-black — the forest floor at dusk, as a dark theme. — tool: https://brandsweets.com/palettes/new/7fb069-5a6650-e6aa68-1b2a1f-e9efe6 — collection: https://brandsweets.com/palettes/forest

## 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/0f291e-a2beb6-d459c8-1f2d2d-e9f1ea?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: "#0f291e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.