# #66217d

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

## Values

- Hex: `#66217d`
- RGB: rgb(102, 33, 125)
- HSL: hsl(285, 58%, 31%)
- OKLCH: oklch(0.398 0.155 316.3)
- Relative luminance: 0.0539
- Nearest named color: Extraviolet (#661188, Δ 2.833) — https://brandsweets.com/colors/extraviolet
- Moods: cool, modern
- Page: https://brandsweets.com/colors/66217d

## Tints & shades

- Tints (toward white): #7d2999, #912fb1, #a63acb, #b356d2, #c072da, #ca8ae0, #d7a6e7, #e4c3ef, #efdbf5, #fbf7fd
- Shades (toward black): #5c1e71, #561c69, #4c195d, #421551, #3b1349, #31103c, #270d30, #1e0a24, #17071c, #0d0410

## Harmonies

- Complementary: #387d21
- Analogous: #38217d, #7d2166
- Triadic: #7d6621, #217d66
- Split-complementary: #667d21, #217d38
- Tetradic: #7d3821, #387d21, #21667d

## Colors that go with #66217d

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 #66217d, 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), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com). — https://brandsweets.com/colors/tomato
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #66217d 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 #66217d: 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
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #66217d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #66217d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [pool] — Crimson is paired with #66217d in two real palettes: Lenovo's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #66217d: two real palettes: Slack's brand system and Hinge's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Sandy Brown** #f4a460 [pool] — Sandy Brown is paired with #66217d in two real palettes: Dusk Gradient and Golden Hour, as the supporting colour. Seen in: Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour). — https://brandsweets.com/colors/sandybrown

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

- On white (#ffffff): 10.1:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.08:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ac46ce (4.52:1); AA: background → #adadad (4.5:1); AAA: text → #c37adc (7.14:1); AAA: background → #d9d9d9 (7.16:1)

## Fonts for this mood

- 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/66217d-bc9fc1-afcb62-2d1f2b-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: "#66217d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.