# #3d290b

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

## Values

- Hex: `#3d290b`
- RGB: rgb(61, 41, 11)
- HSL: hsl(36, 69%, 14%)
- OKLCH: oklch(0.298 0.053 74)
- Relative luminance: 0.026
- Nearest named color: Secret Passage (#372a05, Δ 1.513) — https://brandsweets.com/colors/secret-passage
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/3d290b

## Tints & shades

- Tints (toward white): #5f4011, #865a19, #a8711f, #cf8b26, #dc9e41, #e3b064, #eac48b, #f0d5ad, #f7e9d4, #fdfbf6
- Shades (toward black): #38260a, #342309, #2f2009, #2b1d08, #271a07, #221706, #1e1406, #1a1105, #160f04, #110c03

## Harmonies

- Complementary: #0b1f3c
- Analogous: #3c100b, #373c0b
- Triadic: #0b3c29, #290b3c
- Split-complementary: #0b373c, #100b3c
- Tetradic: #0b3c10, #0b1f3c, #3c0b37

## Colors that go with #3d290b

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 #3d290b: 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), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Chobani (https://brandsweets.com/colors/brands/chobani-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: complementary] — Denim sits directly opposite #3d290b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), Nikon (https://brandsweets.com/colors/brands/nikon-com), Postman (https://brandsweets.com/colors/brands/postman-com). — https://brandsweets.com/colors/denim
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #3d290b'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), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #3d290b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Saffron (https://brandsweets.com/palettes/warm#saffron), 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 #3d290b in 8 real palettes, including McDonald's's brand system and Maple, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Maple (https://brandsweets.com/palettes/warm#maple), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Headspace's brand system and Tim Hortons's brand system put Blue beside #3d290b, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Blush and Garden Wedding put Blush Pink beside #3d290b, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #3d290b in 5 real palettes, including Polaroid and Kiln, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 13.81:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.52:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9f6b1d (4.6:1); AA: background → #949494 (4.55:1); AAA: text → #cb8825 (7.09:1); AAA: background → #bababa (7.12:1)

## Curated palettes containing it

- **Bakery** (warm, muted, elegant) — #8c4a2f, #c19a6b, #c26a3a, #fbf3e6, #3b2a1a — Crust browns and butter on a flour-white surface — soft, appetizing, and nothing artificial. — tool: https://brandsweets.com/palettes/new/8c4a2f-c19a6b-c26a3a-fbf3e6-3b2a1a — collection: https://brandsweets.com/palettes/warm

## 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/3d290b-c4b99c-62bfcb-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: "#3d290b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.