# #463c67

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

## Values

- Hex: `#463c67`
- RGB: rgb(70, 60, 103)
- HSL: hsl(254, 26%, 32%)
- OKLCH: oklch(0.387 0.072 293.4)
- Relative luminance: 0.0551
- Nearest named color: Bonne Nuit (#3a4866, Δ 3.94) — https://brandsweets.com/colors/bonne-nuit
- Moods: cool, muted
- Page: https://brandsweets.com/colors/463c67

## Tints & shades

- Tints (toward white): #564a7d, #635591, #7465a4, #8578b0, #998fbd, #aea5ca, #bfb8d5, #d3cfe3, #e5e2ee, #f9f9fb
- Shades (toward black): #40375d, #393154, #352d4d, #2e2843, #28223a, #211c30, #1a1727, #161320, #0f0d16, #09080d

## Harmonies

- Complementary: #5d673c
- Analogous: #3c4867, #5c3c67
- Triadic: #67463c, #3c6746
- Split-complementary: #675c3c, #48673c
- Tetradic: #673c48, #5d673c, #3c675c

## Colors that go with #463c67

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

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #463c67's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 8 real palettes, including Alaska Airlines's brand system and Jeep's brand system put Blue beside #463c67, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #463c67, 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 #463c67: 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), Coastal (https://brandsweets.com/palettes/cool#coastal), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #463c67: 5 real palettes, including Bramble and Notion's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #463c67 in 8 real palettes, including Marvel's brand system and Codecademy's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #463c67: 4 real palettes, including Lamborghini's brand system and Vimeo's brand system, as the supporting colour. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #463c67: 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): 9.99:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.1:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7c6eaa (4.67:1); AA: background → #b0b0b0 (4.61:1); AAA: text → #998fbd (7.02:1); AAA: background → #d9d9d9 (7.08:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/463c67-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: "#463c67" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.