# #511a4e

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

## Values

- Hex: `#511a4e`
- RGB: rgb(81, 26, 78)
- HSL: hsl(303, 51%, 21%)
- OKLCH: oklch(0.326 0.108 329.9)
- Relative luminance: 0.0304
- Nearest named color: Cosmic Explorer (#551155, Δ 2.157) — https://brandsweets.com/colors/cosmic-explorer
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/511a4e

## Tints & shades

- Tints (toward white): #70246c, #8b2d86, #a937a4, #c346bd, #cd65c8, #d680d1, #e09fdd, #eabee8, #f3d8f1, #fdf7fc
- Shades (toward black): #491847, #451643, #3e143c, #361134, #321030, #2a0e29, #230b21, #1b091a, #170716, #0f050f

## Harmonies

- Complementary: #1a511d
- Analogous: #381a51, #511a33
- Triadic: #4e511a, #1a4e51
- Split-complementary: #33511a, #1a5138
- Tetradic: #51381a, #1a511d, #1a3351

## Colors that go with #511a4e

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 #511a4e: 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), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #511a4e 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 #511a4e, 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 #511a4e: 5 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), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #511a4e: 5 real palettes, including Bramble and Notion's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #511a4e in 10 real palettes, including Tim Hortons's brand system and Lenovo's brand system, as the supporting colour. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #511a4e: 11 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
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #511a4e: 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), Opera (https://brandsweets.com/colors/brands/opera-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 13.06:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.61:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bd3db6 (4.51:1); AA: background → #999999 (4.58:1); AAA: text → #d274cd (7.12:1); AAA: background → #bfbfbf (7.1:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- 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/511a4e-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: "#511a4e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.