# #591d57

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

## Values

- Hex: `#591d57`
- RGB: rgb(89, 29, 87)
- HSL: hsl(302, 51%, 23%)
- OKLCH: oklch(0.348 0.117 329.1)
- Relative luminance: 0.0369
- Nearest named color: Cosmic Explorer (#551155, Δ 2.415) — https://brandsweets.com/colors/cosmic-explorer
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/591d57

## Tints & shades

- Tints (toward white): #772775, #922f8f, #b139ad, #c44ac0, #ce69cb, #d784d4, #e1a3df, #eabee8, #f4dcf3, #fdf7fc
- Shades (toward black): #511a4f, #491848, #411540, #3a1338, #361135, #2e0f2d, #270c26, #1f0a1e, #170717, #0f050f

## Harmonies

- Complementary: #1d591f
- Analogous: #3d1d59, #591d39
- Triadic: #57591d, #1d5759
- Split-complementary: #39591d, #1d593d
- Tetradic: #593d1d, #1d591f, #1d3959

## Colors that go with #591d57

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #591d57 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #591d57 in 7 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), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #591d57: 4 real palettes, including Hinge's brand system and Heinz's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Heinz (https://brandsweets.com/colors/brands/heinz-com), Slack (https://brandsweets.com/colors/brands/slack-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #591d57: 4 real palettes, including Macaron and Sorbet, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Sorbet (https://brandsweets.com/palettes/light#sorbet), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/powderblue
- **Tomato** #ff6347 [pool] — 4 real palettes, including Golden Hour and Harley-Davidson's brand system put Tomato beside #591d57, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), FedEx (https://brandsweets.com/colors/brands/fedex-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato
- **Blue** #0000ff [pool] — 3 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #591d57, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #591d57: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Slate Gray** #708090 [pool] — 3 real palettes, including Bloomberg's brand system and Hermès's brand system put Slate Gray beside #591d57, as the accent. Seen in: Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 12.08:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bd3db8 (4.52:1); AA: background → #9e9e9e (4.51:1); AAA: text → #d274cf (7.14:1); AAA: background → #c7c7c7 (7.15:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- 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/591d57-c19fbc-91cb62-2d1f27-eee9f1?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: "#591d57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.