# #66bcfa

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

## Values

- Hex: `#66bcfa`
- RGB: rgb(102, 188, 250)
- HSL: hsl(205, 94%, 69%)
- OKLCH: oklch(0.766 0.122 242)
- Relative luminance: 0.4569
- Nearest named color: Cooler Than Ever (#77bbff, Δ 1.789) — https://brandsweets.com/colors/cooler-than-ever
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/66bcfa

## Tints & shades

- Tints (toward white): #74c3fb, #83c9fb, #92d0fc, #a1d6fc, #b0ddfd, #bae1fd, #c9e7fd, #d7eefe, #e6f4fe, #f5fbff
- Shades (toward black): #48aff9, #25a0f8, #0893f7, #077fd5, #066db7, #055894, #044777, #033254, #022036, #010c14

## Harmonies

- Complementary: #faa466
- Analogous: #66faee, #6672fa
- Triadic: #fa66bc, #bcfa66
- Split-complementary: #fa6672, #faee66
- Tetradic: #ee66fa, #faa466, #72fa66

## Colors that go with #66bcfa

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 #66bcfa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Blizzard (https://brandsweets.com/colors/brands/blizzard-com). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [harmony, pool: complementary] — Dark Orange sits directly opposite #66bcfa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Amber** #ffbf00 [pool] — Amber is paired with #66bcfa in 4 real palettes, including Blueprint and NBA's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Canva's brand system put Blue beside #66bcfa, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #66bcfa: 5 real palettes, including Venmo's brand system and Coca-Cola's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #66bcfa: 4 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Telehealth and Blue Mono put Midnight Blue beside #66bcfa, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Kraken (https://brandsweets.com/colors/brands/kraken-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #66bcfa in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/periwinkle

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

- On white (#ffffff): 2.07:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0679cb (4.56:1); AA: background → #454545 (4.63:1); AAA: text → #055b99 (7.09:1); AAA: background → #292929 (7.02:1)
- On black (#000000): 10.14:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Max** — secondary #71b8f2 (Δ 1.504) — https://brandsweets.com/colors/brands/max-com
- **Astro** — secondary #54b9ff (Δ 1.9) — https://brandsweets.com/colors/brands/astro-build
- **Prime Video** — secondary #79b8f3 (Δ 1.925) — https://brandsweets.com/colors/brands/primevideo-com

## 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/66bcfa-9cafc4-df4e58-1f212d-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: "#66bcfa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.