# #585c74

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

## Values

- Hex: `#585c74`
- RGB: rgb(88, 92, 116)
- HSL: hsl(231, 14%, 40%)
- OKLCH: oklch(0.481 0.039 277.4)
- Relative luminance: 0.1099
- Nearest named color: Concrete Landscape (#5c606e, Δ 1.908) — https://brandsweets.com/colors/concrete-landscape
- Moods: cool, muted
- Page: https://brandsweets.com/colors/585c74

## Tints & shades

- Tints (toward white): #656a86, #737996, #8287a1, #9397ae, #a5a8bb, #b6b9c8, #c8cad5, #d6d8e0, #e8e9ed, #f9f9fb
- Shades (toward black): #4f5369, #484c60, #404354, #393c4c, #303340, #272934, #21232c, #181920, #121217, #09090c

## Harmonies

- Complementary: #747058
- Analogous: #586a74, #625874
- Triadic: #74585c, #5c7458
- Split-complementary: #746258, #6a7458
- Tetradic: #74586a, #747058, #587462

## Colors that go with #585c74

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 #585c74: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Campus (https://brandsweets.com/palettes/friendly#campus), Pampers (https://brandsweets.com/colors/brands/pampers-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #585c74'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), Discover (https://brandsweets.com/colors/brands/discover-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #585c74, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Warp (https://brandsweets.com/colors/brands/warp-dev), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #585c74, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #585c74: 4 real palettes, including Dusk and Desert Road, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #585c74 in 10 real palettes, including Codecademy's brand system and Retro Pop, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #585c74: 13 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Campus (https://brandsweets.com/palettes/friendly#campus), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #585c74: 5 real palettes, including Fireside and Newsprint, as the lead colour. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Wendy's (https://brandsweets.com/colors/brands/wendys-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 6.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #53576e (7.1:1)
- On black (#000000): 3.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6e7391 (4.52:1); AA: background → #d6d6d6 (4.52:1); AAA: text → #9195ac (7.1:1)

## Brands using this color

- **Stripe** — secondary #50617a (Δ 1.756) — https://brandsweets.com/colors/brands/stripe
- **Lufthansa** — secondary #52627c (Δ 1.945) — https://brandsweets.com/colors/brands/lufthansa-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/585c74-9c9ec4-df834e-231f2d-e9eef1?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: "#585c74" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.