# #603569

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

## Values

- Hex: `#603569`
- RGB: rgb(96, 53, 105)
- HSL: hsl(290, 33%, 31%)
- OKLCH: oklch(0.404 0.098 320.5)
- Relative luminance: 0.0605
- Nearest named color: Plum (#66386a, Δ 1.492) — https://brandsweets.com/colors/plum-2
- Moods: cool, muted
- Page: https://brandsweets.com/colors/603569

## Tints & shades

- Tints (toward white): #764181, #894b95, #9e59ab, #ab71b7, #b988c3, #c59dcd, #d3b4d9, #e1cce5, #ede0f0, #fbf8fc
- Shades (toward black): #57305f, #512c58, #48274e, #3e2244, #381f3d, #2f1a33, #251529, #1c0f1f, #160c18, #0c070e

## Harmonies

- Complementary: #3e6935
- Analogous: #463569, #693558
- Triadic: #696035, #356960
- Split-complementary: #586935, #356946
- Tetradic: #694635, #3e6935, #355869

## Colors that go with #603569

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 #603569: 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), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #603569 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #603569 in 6 real palettes, including Lenovo's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #603569: 5 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), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #603569: 5 real palettes, including Macaron and First Snow, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), First Snow (https://brandsweets.com/palettes/cool#first-snow), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Taupe** #483c32 [pool] — Taupe is paired with #603569 in 4 real palettes, including Datadog's brand system and Blush, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Blush (https://brandsweets.com/palettes/light#blush), Sepia Mono (https://brandsweets.com/palettes/warm#sepia-mono), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #603569: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #603569, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 9.5:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a05cad (4.63:1); AA: background → #b3b3b3 (4.53:1); AAA: text → #b785c1 (7.14:1); AAA: background → #dedede (7.06:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/603569-bf9fc1-a6cb62-2d1f29-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: "#603569" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.