# #3c0551

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

## Values

- Hex: `#3c0551`
- RGB: rgb(60, 5, 81)
- HSL: hsl(283, 88%, 17%)
- OKLCH: oklch(0.272 0.127 313.6)
- Relative luminance: 0.0166
- Nearest named color: Romanic Scene (#3b0346, Δ 2.072) — https://brandsweets.com/colors/romanic-scene
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/3c0551

## Tints & shades

- Tints (toward white): #580878, #740a9e, #900dc5, #ad0feb, #bd36f2, #c95cf5, #d682f7, #e3a9f9, #efcffc, #fcf5fe
- Shades (toward black): #38054d, #310443, #2e043e, #2a043a, #270335, #20032b, #1c0226, #190222, #120218, #0e0113

## Harmonies

- Complementary: #1b5105
- Analogous: #160551, #510541
- Triadic: #513c05, #05513c
- Split-complementary: #415105, #055116
- Tetradic: #511605, #1b5105, #054151

## Colors that go with #3c0551

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Blue** #0000ff [pool] — 5 real palettes, including Sketch's brand system and Penpot's brand system put Blue beside #3c0551, 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), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #3c0551: 4 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #3c0551: softer than #000 and cool enough to feel like part of the same palette. Seen in: Volkswagen (https://brandsweets.com/colors/brands/vw-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #3c0551 in 7 real palettes, including Marvel's brand system and Casper Sleep's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Pinterest (https://brandsweets.com/colors/brands/pinterest-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3c0551: 12 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Heinz (https://brandsweets.com/colors/brands/heinz-com), Open House (https://brandsweets.com/palettes/clean#open-house), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #3c0551: 4 real palettes, including First Snow and Opera's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Opera (https://brandsweets.com/colors/brands/opera-com), Sorbet (https://brandsweets.com/palettes/light#sorbet), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3c0551 in 5 real palettes, including Telehealth and Penpot's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Penpot (https://brandsweets.com/colors/brands/penpot-app), Spectrum (https://brandsweets.com/colors/brands/spectrum-com), GEICO (https://brandsweets.com/colors/brands/geico-com). — https://brandsweets.com/colors/royalblue
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #3c0551 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

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

- On white (#ffffff): 15.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b827f1 (4.6:1); AA: background → #8a8a8a (4.56:1); AAA: text → #ce6af6 (7.02:1); AAA: background → #adadad (7.02:1)

## 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/3c0551-bb9fc1-b2cb62-2d1f2b-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: "#3c0551" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.