# #454d5f

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

## Values

- Hex: `#454d5f`
- RGB: rgb(69, 77, 95)
- HSL: hsl(222, 16%, 32%)
- OKLCH: oklch(0.42 0.032 266.2)
- Relative luminance: 0.074
- Nearest named color: Abyssal (#404c57, Δ 1.591) — https://brandsweets.com/colors/abyssal
- Moods: cool, muted
- Page: https://brandsweets.com/colors/454d5f

## Tints & shades

- Tints (toward white): #545d73, #606b85, #717d98, #838da5, #97a0b4, #acb3c3, #bec3d0, #d3d6df, #e4e7ec, #f9fafb
- Shades (toward black): #3e4556, #383e4d, #333947, #2d323e, #272b35, #20242c, #1a1d23, #15181e, #0f1115, #090a0c

## Harmonies

- Complementary: #5f5745
- Analogous: #45595f, #4a455f
- Triadic: #5f454c, #4c5f45
- Split-complementary: #5f4a45, #595f45
- Tetradic: #5f4559, #5f5745, #455f4a

## Colors that go with #454d5f

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 #454d5f'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), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 7 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #454d5f, 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), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #454d5f: 4 real palettes, including Dusk and Paper & Pine, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), 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 BrandSweets's brand system put Champagne beside #454d5f, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #454d5f: 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 #454d5f 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 #454d5f: 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 surface for #454d5f: 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): 8.47:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #697591 (4.55:1); AA: background → #bdbdbd (4.51:1); AAA: text → #8c95ab (7:1); AAA: background → #ebebeb (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/454d5f-9ca3c4-df6e4e-211f2d-e9eff1?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: "#454d5f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.