# #545a63

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

## Values

- Hex: `#545a63`
- RGB: rgb(84, 90, 99)
- HSL: hsl(216, 8%, 36%)
- OKLCH: oklch(0.466 0.016 258.4)
- Relative luminance: 0.101
- Nearest named color: Blackwater (#545663, Δ 1.241) — https://brandsweets.com/colors/blackwater
- Moods: muted, minimal
- Page: https://brandsweets.com/colors/545a63

## Tints & shades

- Tints (toward white): #636974, #717884, #838a95, #949aa4, #a4aab2, #b5b9c0, #c5c9ce, #d8dbde, #e9eaec, #f9fafa
- Shades (toward black): #4d535b, #464b53, #3d4148, #363a3f, #2f3237, #282b2f, #212327, #17191c, #101213, #090a0b

## Harmonies

- Complementary: #635d54
- Analogous: #546263, #565463
- Triadic: #63545a, #5a6354
- Split-complementary: #635654, #626354
- Tetradic: #635462, #635d54, #546356

## Colors that go with #545a63

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

- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #545a63: 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] — 5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #545a63, 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 #545a63: 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), 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 #545a63 in 5 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), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Cider and Puma's brand system put Dark Goldenrod beside #545a63, as the supporting colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/darkgoldenrod
- **Denim** #1560bd [pool] — Designers have shipped Denim with #545a63: 7 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), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #545a63: 4 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), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/firebrick
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #545a63 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): 6.95:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #525860 (7.18:1)
- On black (#000000): 3.02:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6e7681 (4.57:1); AA: background → #d1d1d1 (4.55:1); AAA: text → #9197a1 (7.15:1)

## Brands using this color

- **GitHub** — textMuted #57606a (Δ 1.973) — https://brandsweets.com/colors/brands/github

## Fonts for this mood

- minimal: https://brandsweets.com/fonts/mood/minimal

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/545a63-9ca7c4-df5f4e-201f2d-e9f0f1?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: "#545a63" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.