# #584a87

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

## Values

- Hex: `#584a87`
- RGB: rgb(88, 74, 135)
- HSL: hsl(254, 29%, 41%)
- OKLCH: oklch(0.452 0.098 292.6)
- Relative luminance: 0.0872
- Nearest named color: Freshly Purpleized (#5c5083, Δ 2.105) — https://brandsweets.com/colors/freshly-purpleized
- Moods: cool, muted
- Page: https://brandsweets.com/colors/584a87

## Tints & shades

- Tints (toward white): #65559b, #7261a8, #8375b3, #9589be, #a79cc9, #b5add2, #c7c0dd, #d9d4e7, #e7e5f1, #f9f8fb
- Shades (toward black): #50437a, #493e70, #413663, #382f56, #322a4c, #29223f, #201b31, #181424, #110e1a, #09070d

## Harmonies

- Complementary: #79874a
- Analogous: #4a5a87, #774a87
- Triadic: #87584a, #4a8758
- Split-complementary: #87774a, #5a874a
- Tetradic: #874a5a, #79874a, #4a8777

## Colors that go with #584a87

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 #584a87: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Amazon (https://brandsweets.com/colors/brands/amazon-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #584a87: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #584a87's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Capital One (https://brandsweets.com/colors/brands/capitalone-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 6 real palettes, including Tesco's brand system and CVS's brand system put Blue beside #584a87, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #584a87 in 10 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), Costco (https://brandsweets.com/colors/brands/costco-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #584a87: 12 real palettes, including HP's brand system and Unilever's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com). — https://brandsweets.com/colors/denim
- **Light Coral** #f08080 [pool] — Designers have shipped Light Coral with #584a87: 4 real palettes, including Sentry's brand system and Cobalt Pop, as the lead colour. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/lightcoral
- **Midnight Blue** #191970 [pool] — 15 real palettes, including First Snow and Lufthansa's brand system put Midnight Blue beside #584a87, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 7.65:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7b6bae (4.56:1); AA: background → #c7c7c7 (4.53:1); AAA: text → #9b8fc1 (7.09:1); AAA: background → #f5f5f5 (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/584a87-aa9cc4-dfbb4e-291f2d-e9ebf1?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: "#584a87" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.