# #42003f

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

## Values

- Hex: `#42003f`
- RGB: rgb(66, 0, 63)
- HSL: hsl(303, 100%, 13%)
- OKLCH: oklch(0.264 0.12 330.6)
- Relative luminance: 0.0152
- Nearest named color: Romanic Scene (#3b0346, Δ 2.237) — https://brandsweets.com/colors/romanic-scene
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/42003f

## Tints & shades

- Tints (toward white): #70006b, #990091, #c700bd, #f000e4, #ff1ff4, #ff47f6, #ff75f8, #ff9efa, #ffccfc, #fff5fe
- Shades (toward black): #3d003a, #380035, #330030, #2e002c, #2e002c, #290027, #240022, #1f001d, #190018, #140013

## Harmonies

- Complementary: #004203
- Analogous: #240042, #42001e
- Triadic: #3f4200, #003f42
- Split-complementary: #1e4200, #004224
- Tetradic: #422400, #004203, #001e42

## Colors that go with #42003f

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 #42003f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Volkswagen (https://brandsweets.com/colors/brands/vw-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #42003f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 5 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #42003f, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #42003f: 4 real palettes, including Dusk and Chipotle's brand system, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Wellness (https://brandsweets.com/palettes/warm#wellness), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #42003f in 4 real palettes, including Tim Hortons's brand system and Pinterest's brand system, as the supporting colour. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Pinterest (https://brandsweets.com/colors/brands/pinterest-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #42003f in 5 real palettes, including Warp's brand system and Cohere's brand system, as the accent. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Cohere (https://brandsweets.com/colors/brands/cohere-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #42003f: 10 real palettes, including Heinz's brand system and Discover's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Discover (https://brandsweets.com/colors/brands/discover-com), Box (https://brandsweets.com/colors/brands/box-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Eggplant** #614051 [pool] — Eggplant shows up next to #42003f in 4 real palettes, including Golden Hour and Blush, as the accent. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Blush (https://brandsweets.com/palettes/light#blush), GitHub (https://brandsweets.com/colors/brands/github), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/eggplant

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

- On white (#ffffff): 16.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d100c7 (4.54:1); AA: background → #8a8a8a (4.67:1); AAA: text → #ff33f5 (7.04:1); AAA: background → #ababab (7.02:1)

## 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/42003f-c19fbb-8fcb62-2d1f26-eee9f1?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: "#42003f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.