# #591d67

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

## Values

- Hex: `#591d67`
- RGB: rgb(89, 29, 103)
- HSL: hsl(289, 56%, 26%)
- OKLCH: oklch(0.358 0.132 319.4)
- Relative luminance: 0.0398
- Nearest named color: Elegant Purple Gown (#552367, Δ 1.338) — https://brandsweets.com/colors/elegant-purple-gown
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/591d67

## Tints & shades

- Tints (toward white): #722583, #8a2d9f, #a636bf, #b54ccd, #c068d4, #cc84dc, #d8a0e4, #e5bfed, #f0dbf5, #fcf7fd
- Shades (toward black): #531b5f, #4c1958, #42154c, #3b1344, #34113c, #2d0f34, #260c2c, #1c0920, #150718, #0e0410

## Harmonies

- Complementary: #2b671d
- Analogous: #351d67, #671d50
- Triadic: #675a1d, #1d675a
- Split-complementary: #50671d, #1d6735
- Tetradic: #67351d, #2b671d, #1d5067

## Colors that go with #591d67

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #591d67: 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), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #591d67 in 4 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), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Tomato** #ff6347 [pool] — 4 real palettes, including Golden Hour and FedEx's brand system put Tomato beside #591d67, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), FedEx (https://brandsweets.com/colors/brands/fedex-com), 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 #591d67 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #591d67: 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
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Tide Pool and Gillette's brand system put Midnight Blue beside #591d67, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Gillette (https://brandsweets.com/colors/brands/gillette-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #591d67: 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 #591d67: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 11.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.8:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b244ca (4.57:1); AA: background → #a1a1a1 (4.52:1); AAA: text → #c778d9 (7.12:1); AAA: background → #c9c9c9 (7.06:1)

## 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/591d67-be9fc1-a8cb62-2d1f2a-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: "#591d67" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.