# #511e52

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

## Values

- Hex: `#511e52`
- RGB: rgb(81, 30, 82)
- HSL: hsl(299, 46%, 22%)
- OKLCH: oklch(0.334 0.105 326.9)
- Relative luminance: 0.0329
- Nearest named color: Cosmic Explorer (#551155, Δ 2.483) — https://brandsweets.com/colors/cosmic-explorer
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/511e52

## Tints & shades

- Tints (toward white): #6f2970, #88338a, #a63ea8, #bb4cbd, #c66ac8, #d288d3, #dca2dd, #e7c0e8, #f1daf1, #fcf8fc
- Shades (toward black): #4a1c4a, #421943, #3f173f, #371538, #301230, #290f29, #210c22, #1d0b1e, #160816, #0f060f

## Harmonies

- Complementary: #1f521e
- Analogous: #371e52, #521e39
- Triadic: #52511e, #1e5251
- Split-complementary: #39521e, #1e5237
- Tetradic: #52371e, #1f521e, #1e3952

## Colors that go with #511e52

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #511e52 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 6 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #511e52, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-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
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #511e52: 4 real palettes, including Open House and SoFi's brand system, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), SoFi (https://brandsweets.com/colors/brands/sofi-com), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #511e52: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #511e52 in 10 real palettes, including Lenovo's brand system and Tim Hortons's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #511e52: 10 real palettes, including Hinge's brand system and Heinz's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Heinz (https://brandsweets.com/colors/brands/heinz-com), Discover (https://brandsweets.com/colors/brands/discover-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Tide Pool and Volkswagen's brand system put Midnight Blue beside #511e52, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Volkswagen (https://brandsweets.com/colors/brands/vw-com), Gillette (https://brandsweets.com/colors/brands/gillette-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #511e52: 6 real palettes, including Macaron and Sorbet, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Sorbet (https://brandsweets.com/palettes/light#sorbet), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Opera (https://brandsweets.com/colors/brands/opera-com). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 12.67:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b845ba (4.6:1); AA: background → #9c9c9c (4.62:1); AAA: text → #cc79cd (7.18:1); AAA: background → #c2c2c2 (7.11:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/511e52-c19fbd-96cb62-2d1f27-ede9f1?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: "#511e52" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.