# #545573

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

## Values

- Hex: `#545573`
- RGB: rgb(84, 85, 115)
- HSL: hsl(238, 16%, 39%)
- OKLCH: oklch(0.461 0.049 282.8)
- Relative luminance: 0.0962
- Nearest named color: Deep Indigo (#4c567a, Δ 1.554) — https://brandsweets.com/colors/deep-indigo
- Moods: cool, muted
- Page: https://brandsweets.com/colors/545573

## Tints & shades

- Tints (toward white): #606285, #6e6f96, #8081a3, #9293b0, #a3a4bd, #b2b3c7, #c4c4d4, #d6d6e1, #e7e8ee, #f9f9fb
- Shades (toward black): #4d4e6a, #45455f, #3e3f56, #36364a, #2f3041, #272735, #20212c, #181821, #111118, #09090c

## Harmonies

- Complementary: #737254
- Analogous: #546573, #625473
- Triadic: #735455, #557354
- Split-complementary: #736254, #657354
- Tetradic: #735465, #737254, #547362

## Colors that go with #545573

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 #545573's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Capital One (https://brandsweets.com/colors/brands/capitalone-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #545573 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 5 real palettes, including Tesco's brand system and CVS's brand system put Blue beside #545573, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Activision (https://brandsweets.com/colors/brands/activision-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #545573 in 8 real palettes, including Codecademy's brand system and Wells Fargo's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #545573: 12 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), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #545573 in 5 real palettes, including Open House and Mid-Century, as the accent. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Fireside (https://brandsweets.com/palettes/dark#fireside), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #545573 in 5 real palettes, including Console Light and Fintech Trust, as the accent. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/mediumseagreen
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #545573: 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): 7.18:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #717298 (4.56:1); AA: background → #cfcfcf (4.61:1); AAA: text → #9293b0 (7.02:1); AAA: background → #fcfcfc (7:1)

## Brands using this color

- **HP** — secondary #485571 (Δ 1.846) — https://brandsweets.com/colors/brands/hp-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/545573-9f9cc4-df944e-251f2d-e9edf1?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: "#545573" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.