# #3f1d2e

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

## Values

- Hex: `#3f1d2e`
- RGB: rgb(63, 29, 46)
- HSL: hsl(330, 37%, 18%)
- OKLCH: oklch(0.285 0.058 350.1)
- Relative luminance: 0.0213
- Nearest named color: Blackberry (#43182f, Δ 1.516) — https://brandsweets.com/colors/blackberry
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/3f1d2e

## Tints & shades

- Tints (toward white): #5b2a42, #773757, #93436b, #af5080, #bc6c94, #c888a8, #d5a4bd, #e2c0d1, #efdce6, #fcf8fa
- Shades (toward black): #3b1b2b, #341826, #311624, #2a131f, #26121c, #23101a, #1c0d14, #180b12, #11080d, #0e060a

## Harmonies

- Complementary: #1d3f2e
- Analogous: #3f1d3f, #3f1d1d
- Triadic: #2e3f1d, #1d2e3f
- Split-complementary: #1d3f1d, #1d3f3f
- Tetradic: #3f3f1d, #1d3f2e, #1d1d3f

## Colors that go with #3f1d2e

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 #3f1d2e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: triadic] — Dark Olive Green completes a triad with #3f1d2e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Cider (https://brandsweets.com/palettes/warm#cider), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #3f1d2e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Subaru (https://brandsweets.com/colors/brands/subaru-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #3f1d2e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #3f1d2e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. 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), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #3f1d2e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Saffron (https://brandsweets.com/palettes/warm#saffron), Alpine (https://brandsweets.com/palettes/cool#alpine), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #3f1d2e in 11 real palettes, including McDonald's's brand system and Wikipedia's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #3f1d2e, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 14.72:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b25785 (4.59:1); AA: background → #8f8f8f (4.55:1); AAA: text → #c581a3 (7.04:1); AAA: background → #b3b3b3 (7.02:1)

## Brands using this color

- **Superhuman** — secondary #421d24 (Δ 1.949) — https://brandsweets.com/colors/brands/superhuman-com

## 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/3f1d2e-c49cab-62cb64-2d1f20-f1e9f1?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: "#3f1d2e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.