# #571a66

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

## Values

- Hex: `#571a66`
- RGB: rgb(87, 26, 102)
- HSL: hsl(288, 59%, 25%)
- OKLCH: oklch(0.351 0.135 319)
- Relative luminance: 0.0372
- Nearest named color: Elegant Purple Gown (#552367, Δ 1.712) — https://brandsweets.com/colors/elegant-purple-gown
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/571a66

## Tints & shades

- Tints (toward white): #6e2182, #8a2aa2, #a231bf, #b344cf, #c065d7, #cc81df, #d79ee6, #e3baed, #f0dbf6, #fcf7fd
- Shades (toward black): #4f185d, #491655, #42144d, #3b1245, #34103d, #290d31, #230a29, #1c0820, #150618, #0e0410

## Harmonies

- Complementary: #29651a
- Analogous: #311a65, #651a4f
- Triadic: #65561a, #1a6556
- Split-complementary: #4f651a, #1a6531
- Tetradic: #65311a, #29651a, #1a4f65

## Colors that go with #571a66

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

- **Tomato** #ff6347 [pool] — 4 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #571a66, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #571a66 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #571a66: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #571a66 in 3 real palettes, including Lenovo's brand system and Marvel's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #571a66: 3 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), Heinz (https://brandsweets.com/colors/brands/heinz-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #571a66: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #571a66: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Mauve** #e0b0ff [pool] — Mauve shows up next to #571a66 in two real palettes: Lavender Haze and Ledger's brand system, as the supporting colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Ledger (https://brandsweets.com/colors/brands/ledger-com). — https://brandsweets.com/colors/mauve

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

- On white (#ffffff): 12.04:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b240ce (4.52:1); AA: background → #a1a1a1 (4.66:1); AAA: text → #c979dc (7.25:1); AAA: background → #c7c7c7 (7.12:1)

## 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/571a66-be9fc1-aacb62-2d1f2a-ece9f1?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: "#571a66" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.