# #424e5c

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

## Values

- Hex: `#424e5c`
- RGB: rgb(66, 78, 92)
- HSL: hsl(212, 16%, 31%)
- OKLCH: oklch(0.419 0.028 252.4)
- Relative luminance: 0.0738
- Nearest named color: Abyssal (#404c57, Δ 0.994) — https://brandsweets.com/colors/abyssal
- Moods: cool, muted
- Page: https://brandsweets.com/colors/424e5c

## Tints & shades

- Tints (toward white): #516070, #5e6f82, #6e8196, #8393a5, #97a5b4, #a9b4c1, #bec6d0, #d3d8df, #e4e8ec, #f9fafb
- Shades (toward black): #3c4753, #38424d, #313a44, #2b323b, #272d35, #20262c, #1a1e23, #13171b, #0f1215, #090a0c

## Harmonies

- Complementary: #5c5042
- Analogous: #425b5c, #43425c
- Triadic: #5c424e, #4e5c42
- Split-complementary: #5c4342, #5b5c42
- Tetradic: #5c425b, #5c5042, #425c43

## Colors that go with #424e5c

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

- **Blue** #0000ff [pool] — 8 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #424e5c, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #424e5c, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #424e5c: 4 real palettes, including Paper & Pine and Dusk, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and Sweetgreen's brand system put Champagne beside #424e5c, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #424e5c: 5 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #424e5c in 7 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #424e5c: 9 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #424e5c was made for — maximum legibility with no colour cast to argue with. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 8.48:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #65778b (4.56:1); AA: background → #bdbdbd (4.51:1); AAA: text → #8998a9 (7.13:1); AAA: background → #ebebeb (7.11:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/424e5c-9caac4-df564e-1f202d-e9f1f1?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: "#424e5c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.