# #3f222d

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

## Values

- Hex: `#3f222d`
- RGB: rgb(63, 34, 45)
- HSL: hsl(337, 30%, 19%)
- OKLCH: oklch(0.294 0.047 356.1)
- Relative luminance: 0.0239
- Nearest named color: Castro (#44232f, Δ 1.183) — https://brandsweets.com/colors/castro
- Moods: warm, muted, dark, editorial, elegant, luxury, bold
- Page: https://brandsweets.com/colors/3f222d

## Tints & shades

- Tints (toward white): #5a3040, #743e53, #8f4d66, #a85d79, #b6778f, #c28ea2, #d1a9b8, #dfc3ce, #eddee4, #fbf8fa
- Shades (toward black): #3c202b, #351d26, #321b24, #2b171f, #28151c, #211218, #1e1015, #170c11, #140b0e, #0d0709

## Harmonies

- Complementary: #223f34
- Analogous: #3f223c, #3f2522
- Triadic: #2d3f22, #222d3f
- Split-complementary: #223f25, #223c3f
- Tetradic: #3c3f22, #223f34, #25223f

## Colors that go with #3f222d

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 #3f222d: 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), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: triadic] — Dark Olive Green completes a triad with #3f222d — 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), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkolivegreen
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #3f222d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #3f222d'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
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #3f222d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Discover (https://brandsweets.com/colors/brands/discover-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #3f222d 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 #3f222d 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] — 15 real palettes, including Tim Hortons's brand system and Headspace's brand system put Blue beside #3f222d, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 14.21:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a85d79 (4.51:1); AA: background → #919191 (4.51:1); AAA: text → #bf889d (7.22:1); AAA: background → #b8b8b8 (7.16:1)

## Brands using this color

- **Superhuman** — secondary #421d24 (Δ 1.797) — https://brandsweets.com/colors/brands/superhuman-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- editorial: https://brandsweets.com/fonts/mood/editorial
- elegant: https://brandsweets.com/fonts/mood/elegant
- 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/3f222d-c49ca7-62cb70-2d201f-f1e9f0?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: "#3f222d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.