# #728ca1

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

## Values

- Hex: `#728ca1`
- RGB: rgb(114, 140, 161)
- HSL: hsl(207, 20%, 54%)
- OKLCH: oklch(0.627 0.043 242.8)
- Relative luminance: 0.2491
- Nearest named color: lightslategray (#778899, Δ 1.43) — https://brandsweets.com/colors/lightslategray
- Moods: cool, muted
- Page: https://brandsweets.com/colors/728ca1

## Tints & shades

- Tints (toward white): #7e96a9, #8ea3b4, #9aadbc, #a9b9c6, #b6c3ce, #c2cdd6, #d1dae0, #dde4e9, #edf0f3, #f9fafb
- Shades (toward black): #647f96, #5a7287, #506577, #455868, #3b4b59, #313e49, #27313a, #1d242b, #12171c, #080a0c

## Harmonies

- Complementary: #a18772
- Analogous: #72a19f, #7275a1
- Triadic: #a1728c, #8ca172
- Split-complementary: #a17275, #a19f72
- Tetradic: #9f72a1, #a18772, #75a172

## Colors that go with #728ca1

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #728ca1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #728ca1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #728ca1: 4 real palettes, including Ink & Paper and Hershey's's brand system, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #728ca1 in 6 real palettes, including Retro Pop and Diner, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #728ca1: 4 real palettes, including Telegram's brand system and Astro's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #728ca1: 9 real palettes, including Dusk and Campus, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Campus (https://brandsweets.com/palettes/friendly#campus), Open House (https://brandsweets.com/palettes/clean#open-house), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #728ca1, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Open House (https://brandsweets.com/palettes/clean#open-house), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Graphite put Orange beside #728ca1, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 3.51:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5e788d (4.62:1); AA: background → #212121 (4.59:1); AAA: text → #475b6b (7.05:1)
- On black (#000000): 5.98:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8299ab (7.09:1)

## Brands using this color

- **Bloomberg** — accent #73859f (Δ 1.942) — https://brandsweets.com/colors/brands/bloomberg-com
- **Hermès** — secondary #73859f (Δ 1.942) — https://brandsweets.com/colors/brands/hermes-com
- **Nike** — accent #73859f (Δ 1.942) — https://brandsweets.com/colors/brands/nike-com
- **PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment** — accent #73859f (Δ 1.942) — https://brandsweets.com/colors/brands/playstation-com

## Curated palettes containing it

- **Ledger Dark** (dark, luxury, technical) — #c9a227, #7c8aa5, #34d399, #0c1222, #e8edf5 — Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy. — tool: https://brandsweets.com/palettes/new/c9a227-7c8aa5-34d399-0c1222-e8edf5 — collection: https://brandsweets.com/palettes/dark

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/728ca1-9cadc4-df4e53-1f212d-e9f1f1?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: "#728ca1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.