# #660d7d

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

## Values

- Hex: `#660d7d`
- RGB: rgb(102, 13, 125)
- HSL: hsl(288, 81%, 27%)
- OKLCH: oklch(0.382 0.174 317.6)
- Relative luminance: 0.0459
- Nearest named color: Extraviolet (#661188, Δ 1.908) — https://brandsweets.com/colors/extraviolet
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/660d7d

## Tints & shades

- Tints (toward white): #81109d, #9b14bd, #b617de, #c42fe9, #cf54ed, #d875f0, #e195f4, #eab5f7, #f3d5fb, #fcf6fe
- Shades (toward black): #5f0c73, #530b66, #4c0a5c, #440953, #3d084a, #31063c, #2a0533, #22042a, #17031c, #0f0212

## Harmonies

- Complementary: #237d0d
- Analogous: #2f0d7d, #7d0d5b
- Triadic: #7d660d, #0d7d66
- Split-complementary: #5b7d0d, #0d7d2f
- Tetradic: #7d2f0d, #237d0d, #0d5b7d

## Colors that go with #660d7d

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

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #660d7d 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 #660d7d: 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
- **Tomato** #ff6347 [pool] — 3 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #660d7d, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #660d7d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #660d7d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #660d7d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet
- **Crimson** #dc143c [pool] — Crimson is paired with #660d7d 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 #660d7d: 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

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

- On white (#ffffff): 10.95:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bf1de7 (4.54:1); AA: background → #a8a8a8 (4.6:1); AAA: text → #d56bef (7.18:1); AAA: background → #cfcfcf (7.03:1)

## 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/660d7d-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: "#660d7d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.