# #331b15

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

## Values

- Hex: `#331b15`
- RGB: rgb(51, 27, 21)
- HSL: hsl(12, 42%, 14%)
- OKLCH: oklch(0.253 0.04 34.8)
- Relative luminance: 0.0154
- Nearest named color: Close but No Cigar (#361d0a, Δ 1.979) — https://brandsweets.com/colors/close-but-no-cigar
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/331b15

## Tints & shades

- Tints (toward white): #502a21, #703b2e, #8d4a3a, #ae5c47, #be7360, #ca8c7d, #d7a99d, #e3c2ba, #f0dfdb, #fcf9f8
- Shades (toward black): #2f1913, #2b1712, #281510, #24130f, #21110d, #1d0f0c, #190d0a, #160b09, #120a07, #0e0806

## Harmonies

- Complementary: #152d33
- Analogous: #33151e, #332a15
- Triadic: #15331b, #1b1533
- Split-complementary: #15332a, #151e33
- Tetradic: #1e3315, #152d33, #2a1533

## Colors that go with #331b15

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 #331b15: 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), Gusto (https://brandsweets.com/colors/brands/gusto-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #331b15 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Subaru (https://brandsweets.com/colors/brands/subaru-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #331b15'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), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #331b15 — 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
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #331b15: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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: complementary] — Teal sits directly opposite #331b15 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. 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 #331b15 in 18 real palettes, including Maple and Google's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Tim Hortons's brand system and Headspace's brand system put Blue beside #331b15, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Headspace (https://brandsweets.com/colors/brands/headspace-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): 16.05:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b15d48 (4.53:1); AA: background → #8a8a8a (4.65:1); AAA: text → #c78675 (7.1:1); AAA: background → #adadad (7.15:1)

## Curated palettes containing it

- **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
- **Candlelight** (wedding, warm, luxury, elegant) — #7a1f2e, #c9a227, #f2d7c9, #fffaf3, #2e1a1a — Burgundy, gold and a blush on warm white — the evening wedding set; burgundy carries the formality, blush the softness. — tool: https://brandsweets.com/palettes/new/7a1f2e-c9a227-f2d7c9-fffaf3-2e1a1a — collection: https://brandsweets.com/palettes/wedding

## 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/331b15-c4a99c-62cbad-2d281f-f1e9ec?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: "#331b15" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.