# #331d0f

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

## Values

- Hex: `#331d0f`
- RGB: rgb(51, 29, 15)
- HSL: hsl(23, 55%, 13%)
- OKLCH: oklch(0.256 0.042 52.3)
- Relative luminance: 0.0162
- Nearest named color: Close but No Cigar (#361d0a, Δ 0.868) — https://brandsweets.com/colors/close-but-no-cigar
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/331d0f

## Tints & shades

- Tints (toward white): #573119, #774322, #9a572d, #ba6836, #cd8051, #d69771, #e0b194, #e9c8b4, #f4e2d7, #fdf9f7
- Shades (toward black): #2f1b0e, #2b180d, #28160b, #24140a, #24140a, #201209, #1c1008, #180d07, #140b06, #100905

## Harmonies

- Complementary: #0f2533
- Analogous: #330f13, #332f0f
- Triadic: #0f331d, #1d0f33
- Split-complementary: #0f332f, #0f1333
- Tetradic: #13330f, #0f2533, #2f0f33

## Colors that go with #331d0f

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 #331d0f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #331d0f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Zed (https://brandsweets.com/colors/brands/zed-dev), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [harmony, pool: analogous] — Rust is #331d0f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #331d0f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: complementary] — Steel Blue sits directly opposite #331d0f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Astro (https://brandsweets.com/colors/brands/astro-build), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #331d0f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #331d0f in 18 real palettes, including Maple and Trailhead, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Headspace's brand system and Tim Hortons's brand system put Blue beside #331d0f, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 15.87:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.32:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ae6232 (4.59:1); AA: background → #8a8a8a (4.6:1); AAA: text → #ce8355 (7:1); AAA: background → #adadad (7.07:1)

## Curated palettes containing it

- **Farmers Market** (warm, friendly, vivid) — #d9480f, #5c7c2f, #f2b134, #fffbf0, #2b1d0e — Tomato, leaf and honey — the three colors of a produce stand, warm enough to make anything look fresh. — tool: https://brandsweets.com/palettes/new/d9480f-5c7c2f-f2b134-fffbf0-2b1d0e — collection: https://brandsweets.com/palettes/warm
- **Harvest** (autumn, warm, muted) — #b5451b, #8a6a2f, #d99a2b, #f8f1e4, #2b1c12 — Pumpkin, straw and burnt gold on parchment — the autumn palette that still feels like a product, not a place-mat. — tool: https://brandsweets.com/palettes/new/b5451b-8a6a2f-d99a2b-f8f1e4-2b1c12 — collection: https://brandsweets.com/palettes/autumn
- **Cider** (autumn, warm, elegant) — #8b3a1f, #b8862b, #5f6b3a, #faf3e6, #2e1f16 — Rust, honey and a moss green on cream — the orchard palette; the green keeps it from being all one temperature. — tool: https://brandsweets.com/palettes/new/8b3a1f-b8862b-5f6b3a-faf3e6-2e1f16 — collection: https://brandsweets.com/palettes/autumn

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- 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/331d0f-c4b09c-62cbc0-2d2b1f-f1e9ea?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: "#331d0f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.