# #3f005c

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#3f005c`
- RGB: rgb(63, 0, 92)
- HSL: hsl(281, 100%, 18%)
- OKLCH: oklch(0.283 0.143 310.3)
- Relative luminance: 0.0183
- Nearest named color: Cotinga Purple (#340059, Δ 2.67) — https://brandsweets.com/colors/cotinga-purple
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/3f005c

## Tints & shades

- Tints (toward white): #5b0085, #7600ad, #9200d6, #ae00ff, #bb29ff, #c852ff, #d57aff, #e2a3ff, #efccff, #fcf5ff
- Shades (toward black): #3b0057, #34004d, #310047, #2a003d, #260038, #230033, #1c0029, #180024, #110019, #0e0014

## Harmonies

- Complementary: #1d5c00
- Analogous: #11005c, #5c004b
- Triadic: #5c3f00, #005c3f
- Split-complementary: #4b5c00, #005c11
- Tetradic: #5c1100, #1d5c00, #004b5c

## Colors that go with #3f005c

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 text near-black for #3f005c: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3f005c: 5 real palettes, including Discover's brand system and Bank of America's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Heinz (https://brandsweets.com/colors/brands/heinz-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #3f005c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/forestgreen
- **Blue** #0000ff [pool] — 3 real palettes, including Sketch's brand system and Penpot's brand system put Blue beside #3f005c, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #3f005c in 3 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3f005c in 3 real palettes, including Discord's brand system and Telehealth, as the lead colour. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/royalblue
- **Tomato** #ff6347 [pool] — 3 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #3f005c, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #3f005c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/teal

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

- On white (#ffffff): 15.37:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b514ff (4.51:1); AA: background → #8c8c8c (4.57:1); AAA: text → #d06bff (7.23:1); AAA: background → #b0b0b0 (7.09:1)

## Brands using this color

- **MetaMask** — secondary #3d065f (Δ 1.062) — https://brandsweets.com/colors/brands/metamask-io

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- 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/3f005c-ba9fc1-b6cb62-2d1f2c-ebe9f1?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: "#3f005c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.