# #528be0

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#528be0`
- RGB: rgb(82, 139, 224)
- HSL: hsl(216, 70%, 60%)
- OKLCH: oklch(0.637 0.142 258.2)
- Relative luminance: 0.2564
- Nearest named color: Blue Jay (#5588dd, Δ 0.838) — https://brandsweets.com/colors/blue-jay
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/528be0

## Tints & shades

- Tints (toward white): #6396e3, #74a2e7, #81abe9, #93b6ec, #a4c2ef, #b5cef2, #c7d9f5, #d4e2f7, #e5eefa, #f6f9fd
- Shades (toward black): #3879dc, #256bd4, #215eba, #1d53a5, #18468b, #143971, #102e5b, #0b2141, #08162b, #030911

## Harmonies

- Complementary: #e0a752
- Analogous: #52d2e0, #6052e0
- Triadic: #e0528b, #8be052
- Split-complementary: #e06052, #d2e052
- Tetradic: #e052d2, #e0a752, #52e060

## Colors that go with #528be0

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 #528be0: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Disney (https://brandsweets.com/colors/brands/disney-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #528be0 in 12 real palettes, including Google's brand system and Heatwave, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #528be0, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Unity (https://brandsweets.com/colors/brands/unity-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #528be0: 7 real palettes, including Blue Mono and Hershey's's brand system, as the lead colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #528be0 in 8 real palettes, including NASCAR's brand system and Marvel's brand system, as the supporting colour. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #528be0 in 4 real palettes, including Playground and Elastic's brand system, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Elastic (https://brandsweets.com/colors/brands/elastic-co), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #528be0: 9 real palettes, including Telegram's brand system and Patreon's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Dark Goldenrod** #b8860b [harmony: complementary] — Dark Goldenrod sits directly opposite #528be0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/darkgoldenrod

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

- On white (#ffffff): 3.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2f73da (4.58:1); AA: background → #242424 (4.53:1); AAA: text → #1e56a9 (7.1:1)
- On black (#000000): 6.13:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6396e3 (7:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/528be0-9ca7c4-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: "#528be0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.