# #528398

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

## Values

- Hex: `#528398`
- RGB: rgb(82, 131, 152)
- HSL: hsl(198, 30%, 46%)
- OKLCH: oklch(0.583 0.062 227.1)
- Relative luminance: 0.2029
- Nearest named color: Bay View (#6a819e, Δ 3.126) — https://brandsweets.com/colors/bay-view
- Moods: cool, muted
- Page: https://brandsweets.com/colors/528398

## Tints & shades

- Tints (toward white): #5d91a8, #6d9cb0, #81aabb, #92b5c4, #a2c0cd, #b3cbd6, #c3d7df, #d7e4ea, #e8eff3, #f8fbfb
- Shades (toward black): #4b788b, #446d7e, #3b5e6d, #345360, #2d4753, #253c46, #1e3138, #152228, #0e171b, #070b0d

## Harmonies

- Complementary: #986752
- Analogous: #52988a, #526098
- Triadic: #985283, #839852
- Split-complementary: #985260, #988a52
- Tetradic: #8a5298, #986752, #609852

## Colors that go with #528398

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 #528398: softer than #000 and cool enough to feel like part of the same palette. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), 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). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #528398 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier), Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #528398 in 4 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #528398: 6 real palettes, including Ink & Paper and Fintech Trust, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #528398 in 11 real palettes, including Retro Pop and Redfin's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #528398: 4 real palettes, including Deep Water and Telegram's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #528398: 16 real palettes, including Campus and Discover's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Discover (https://brandsweets.com/colors/brands/discover-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Capital One (https://brandsweets.com/colors/brands/capitalone-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #528398: 4 real palettes, including Honda's brand system and Wendy's's brand system, as the supporting colour. Seen in: Honda (https://brandsweets.com/colors/brands/honda-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Newsprint (https://brandsweets.com/palettes/editorial#newsprint), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 4.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4d7b8f (4.62:1); AA: background → #121212 (4.51:1); AAA: text → #395b6a (7.3:1)
- On black (#000000): 5.06:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6d9cb0 (7.03:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/528398-9cb3c4-df4e69-1f232d-e9f1f0?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: "#528398" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.