# #331d00

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

## Values

- Hex: `#331d00`
- RGB: rgb(51, 29, 0)
- HSL: hsl(34, 100%, 10%)
- OKLCH: oklch(0.254 0.055 70.1)
- Relative luminance: 0.0158
- Nearest named color: Close but No Cigar (#361d0a, Δ 1.567) — https://brandsweets.com/colors/close-but-no-cigar
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/331d00

## Tints & shades

- Tints (toward white): #613700, #8f5100, #b86800, #e68200, #ff9914, #ffad42, #ffc170, #ffd399, #ffe7c7, #fffbf5
- Shades (toward black): #2e1a00, #2e1a00, #291700, #291700, #241400, #1f1100, #1f1100, #190e00, #190e00, #140c00

## Harmonies

- Complementary: #001633
- Analogous: #330300, #303300
- Triadic: #00331d, #1d0033
- Split-complementary: #003033, #030033
- Tetradic: #003303, #001633, #330030

## Colors that go with #331d00

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 #331d00: 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), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: complementary] — Denim sits directly opposite #331d00 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Victoria's Secret (https://brandsweets.com/colors/brands/victoriassecret-com), Apple (https://brandsweets.com/colors/brands/apple-com), Nikon (https://brandsweets.com/colors/brands/nikon-com), Postman (https://brandsweets.com/colors/brands/postman-com). — https://brandsweets.com/colors/denim
- **Rust** #b7410e [harmony, pool: analogous] — Rust is #331d00'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: split] — Slate Blue is a split-complement of #331d00: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: GitLab (https://brandsweets.com/colors/brands/gitlab), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #331d00: 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 #331d00 in 17 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), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 22 real palettes, including Headspace's brand system and Rolex's brand system put Blue beside #331d00, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #331d00 in 8 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 15.95:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.32:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ad6200 (4.52:1); AA: background → #8a8a8a (4.62:1); AAA: text → #e07f00 (7.21:1); AAA: background → #adadad (7.11:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold
- luxury: https://brandsweets.com/fonts/mood/luxury

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/331d00-c4b79c-62c2cb-2d2d1f-f1eae9?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: "#331d00" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.