# #425e66

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

## Values

- Hex: `#425e66`
- RGB: rgb(66, 94, 102)
- HSL: hsl(193, 21%, 33%)
- OKLCH: oklch(0.463 0.036 217.4)
- Relative luminance: 0.1012
- Nearest named color: After the Storm (#33616a, Δ 1.739) — https://brandsweets.com/colors/after-the-storm
- Moods: cool, muted
- Page: https://brandsweets.com/colors/425e66

## Tints & shades

- Tints (toward white): #51727b, #5d838e, #6e95a0, #80a3ac, #96b3bb, #a9c0c7, #bed0d5, #d1dde1, #e6edef, #f9fbfb
- Shades (toward black): #3c565d, #364d53, #30444a, #2a3c41, #26363b, #202e31, #1a2528, #141d1f, #0e1416, #080b0c

## Harmonies

- Complementary: #664a42
- Analogous: #42665c, #424c66
- Triadic: #66425e, #5e6642
- Split-complementary: #66424c, #665c42
- Tetradic: #5c4266, #664a42, #4c6642

## Colors that go with #425e66

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

- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #425e66 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna
- **Blue** #0000ff [pool] — 7 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #425e66, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #425e66: 4 real palettes, including Dusk and Open House, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #425e66, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #425e66: 4 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), 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 #425e66 in 8 real palettes, including Codecademy's brand system and Gemstone, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Puma's brand system and Cider put Dark Goldenrod beside #425e66, as the supporting colour. Seen in: Puma (https://brandsweets.com/colors/brands/puma-com), Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/darkgoldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #425e66: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 6.94:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #405b63 (7.25:1)
- On black (#000000): 3.02:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #577b85 (4.58:1); AA: background → #d1d1d1 (4.55:1); AAA: text → #779ca6 (7.09:1)

## Curated palettes containing it

- **Desert Road** (earthy, warm, muted, elegant) — #c2703d, #c9b28b, #3e5f5c, #fbf6ee, #2b211a — Sandstone and sand with a deep teal — the one cool note makes the warm colours look intentional rather than beige. — tool: https://brandsweets.com/palettes/new/c2703d-c9b28b-3e5f5c-fbf6ee-2b211a — collection: https://brandsweets.com/palettes/earthy

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/425e66-a2b5be-df4e75-1f242d-e9f1ef?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: "#425e66" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.