# #591f93

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

## Values

- Hex: `#591f93`
- RGB: rgb(89, 31, 147)
- HSL: hsl(270, 65%, 35%)
- OKLCH: oklch(0.395 0.176 301.2)
- Relative luminance: 0.0521
- Nearest named color: Intergalactic Settlement (#5b1e8b, Δ 1.447) — https://brandsweets.com/colors/intergalactic-settlement
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/591f93

## Tints & shades

- Tints (toward white): #6925ad, #7a2bca, #8a3dd6, #9957db, #ab74e2, #ba8de7, #c9a7ec, #d9c0f2, #ebddf8, #faf7fd
- Shades (toward black): #521d87, #4a1a7a, #42176d, #3b1561, #331254, #290e43, #210c37, #1a092a, #12061d, #0a0411

## Harmonies

- Complementary: #59931f
- Analogous: #1f1f93, #931f93
- Triadic: #93591f, #1f9359
- Split-complementary: #93931f, #1f931f
- Tetradic: #931f1f, #59931f, #1f9393

## Colors that go with #591f93

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

- **Crimson** #dc143c [pool] — Crimson is paired with #591f93 in 4 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #591f93's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Discord (https://brandsweets.com/colors/brands/discord). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #591f93 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/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #591f93: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #591f93: 3 real palettes, including 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), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #591f93, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #591f93: 3 real palettes, including FedEx's brand system and Fintech Trust, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #591f93 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal

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

- On white (#ffffff): 10.28:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.04:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9652da (4.52:1); AA: background → #adadad (4.58:1); AAA: text → #b381e4 (7.18:1); AAA: background → #d6d6d6 (7.08:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/591f93-b59cc4-c9cb62-2c1f2d-eae9f1?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: "#591f93" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.