# #573b7d

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

## Values

- Hex: `#573b7d`
- RGB: rgb(87, 59, 125)
- HSL: hsl(265, 36%, 36%)
- OKLCH: oklch(0.416 0.109 301.4)
- Relative luminance: 0.0663
- Nearest named color: Drifting Violet (#5b4276, Δ 2.579) — https://brandsweets.com/colors/drifting-violet
- Moods: cool, modern
- Page: https://brandsweets.com/colors/573b7d

## Tints & shades

- Tints (toward white): #654592, #734ea6, #8563b6, #9678bf, #a68dc9, #b6a1d3, #c6b6dd, #d9cee8, #e9e3f2, #faf8fc
- Shades (toward black): #4f3672, #483168, #3e2a5a, #372650, #302145, #291c3b, #221731, #181023, #110b18, #0a070e

## Harmonies

- Complementary: #617d3b
- Analogous: #3b407d, #773b7d
- Triadic: #7d563b, #3b7d56
- Split-complementary: #7d773b, #407d3b
- Tetradic: #7d3b40, #617d3b, #3b7d77

## Colors that go with #573b7d

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 #573b7d: 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), Harbour (https://brandsweets.com/palettes/cool#harbour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #573b7d, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #573b7d in 7 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #573b7d: 9 real palettes, including Hinge's brand system and HP's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-com), Slack (https://brandsweets.com/colors/brands/slack-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #573b7d, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #573b7d: 4 real palettes, including First Snow and Glacier, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Glacier (https://brandsweets.com/palettes/cool#glacier), Macaron (https://brandsweets.com/palettes/light#macaron), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #573b7d in 10 real palettes, including Nokia's brand system and Console Light, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Zoom (https://brandsweets.com/colors/brands/zoom-us), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #573b7d 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/darkolivegreen

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

- On white (#ffffff): 9.02:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8866b7 (4.63:1); AA: background → #b8b8b8 (4.55:1); AAA: text → #a68dc9 (7.27:1); AAA: background → #e3e3e3 (7.03:1)

## Fonts for this mood

- 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/573b7d-b19cc4-dfd54e-2b1f2d-e9eaf1?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: "#573b7d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.