# #42001f

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

## Values

- Hex: `#42001f`
- RGB: rgb(66, 0, 31)
- HSL: hsl(332, 100%, 13%)
- OKLCH: oklch(0.246 0.1 359.6)
- Relative luminance: 0.0126
- Nearest named color: Dark Sanctuary (#3f012c, Δ 2.662) — https://brandsweets.com/colors/dark-sanctuary
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/42001f

## Tints & shades

- Tints (toward white): #700034, #990047, #c7005d, #f00070, #ff1f87, #ff479d, #ff75b6, #ff9ecb, #ffcce4, #fff5fa
- Shades (toward black): #3d001d, #38001a, #330018, #2e0015, #2e0015, #290013, #240011, #1f000e, #19000c, #14000a

## Harmonies

- Complementary: #004223
- Analogous: #420040, #420200
- Triadic: #1f4200, #001f42
- Split-complementary: #004202, #004042
- Tetradic: #404200, #004223, #020042

## Colors that go with #42001f

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 #42001f: 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), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #42001f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Pinterest (https://brandsweets.com/colors/brands/pinterest-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Burger King (https://brandsweets.com/colors/brands/bk-com). — https://brandsweets.com/colors/crimson
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #42001f: 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), Next.js (https://brandsweets.com/colors/brands/nextjs-org), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #42001f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #42001f 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 #42001f in 10 real palettes, including Maple and Heatwave, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #42001f, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #42001f: 8 real palettes, including SoFi's brand system and Diner, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Diner (https://brandsweets.com/palettes/vivid#diner), Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 16.78:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.25:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e6006b (4.58:1); AA: background → #858585 (4.55:1); AAA: text → #ff57a5 (7.16:1); AAA: background → #a8a8a8 (7.06:1)

## 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/42001f-c49caa-62cb67-2d1f20-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: "#42001f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.