# #43005b

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

## Values

- Hex: `#43005b`
- RGB: rgb(67, 0, 91)
- HSL: hsl(284, 100%, 18%)
- OKLCH: oklch(0.289 0.143 313.6)
- Relative luminance: 0.0195
- Nearest named color: Clairvoyant (#480656, Δ 1.841) — https://brandsweets.com/colors/clairvoyant
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/43005b

## Tints & shades

- Tints (toward white): #610085, #7f00ad, #9d00d6, #bb00ff, #c629ff, #d152ff, #dc7aff, #e7a3ff, #f1ccff, #fcf5ff
- Shades (toward black): #400057, #38004d, #340047, #2d003d, #290038, #250033, #1e0029, #1a0024, #130019, #0f0014

## Harmonies

- Complementary: #185c00
- Analogous: #15005c, #5c0046
- Triadic: #5c4300, #005c43
- Split-complementary: #465c00, #005c15
- Tetradic: #5c1500, #185c00, #00465c

## Colors that go with #43005b

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

- **Denim** #1560bd [pool] — Designers have shipped Denim with #43005b: 4 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Heinz (https://brandsweets.com/colors/brands/heinz-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Visa's brand system and Crest's brand system put Midnight Blue beside #43005b, as the lead colour. Seen in: Visa (https://brandsweets.com/colors/brands/visa-com), Crest (https://brandsweets.com/colors/brands/crest-com), Gillette (https://brandsweets.com/colors/brands/gillette-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #43005b 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 #43005b: 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
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #43005b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/slateblue
- **Taupe** #483c32 [pool] — Taupe is paired with #43005b in 3 real palettes, including American Eagle's brand system and Gillette's brand system, as the lead colour. Seen in: American Eagle (https://brandsweets.com/colors/brands/ae-com), Gillette (https://brandsweets.com/colors/brands/gillette-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 3 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #43005b, 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). — https://brandsweets.com/colors/tomato
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #43005b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen

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

- On white (#ffffff): 15.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bb00ff (4.56:1); AA: background → #8f8f8f (4.67:1); AAA: text → #d666ff (7.2:1); AAA: background → #b3b3b3 (7.21:1)

## Brands using this color

- **MetaMask** — secondary #3d065f (Δ 1.757) — https://brandsweets.com/colors/brands/metamask-io

## 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/43005b-bc9fc1-b1cb62-2d1f2b-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: "#43005b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.