# #57d2ff

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

## Values

- Hex: `#57d2ff`
- RGB: rgb(87, 210, 255)
- HSL: hsl(196, 100%, 67%)
- OKLCH: oklch(0.812 0.125 225.8)
- Relative luminance: 0.5534
- Nearest named color: lightskyblue (#87cefa, Δ 3.782) — https://brandsweets.com/colors/lightskyblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/57d2ff

## Tints & shades

- Tints (toward white): #66d6ff, #75daff, #85deff, #94e2ff, #a8e8ff, #b8ecff, #c7f0ff, #d6f4ff, #e5f8ff, #f5fcff
- Shades (toward black): #38caff, #14c0ff, #00b4f5, #009dd6, #0087b8, #006c94, #005675, #004057, #002533, #000f14

## Harmonies

- Complementary: #ff8457
- Analogous: #57ffd8, #577eff
- Triadic: #ff57d2, #d2ff57
- Split-complementary: #ff577e, #ffd857
- Tetradic: #d857ff, #ff8457, #7eff57

## Colors that go with #57d2ff

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 #57d2ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #57d2ff in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #57d2ff: 4 real palettes, including Opensea's brand system and Patreon's brand system, as the lead colour. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io), Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Telehealth and Blue Mono put Midnight Blue beside #57d2ff, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #57d2ff in 4 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #57d2ff: 4 real palettes, including Astro's brand system and Glacier, as the lead colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Glacier (https://brandsweets.com/palettes/cool#glacier), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #57d2ff in 10 real palettes, including Boeing's brand system and Astro's brand system, as the text colour against it. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Astro (https://brandsweets.com/colors/brands/astro-build), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/taupe
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #57d2ff 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/coral

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

- On white (#ffffff): 1.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #007fad (4.53:1); AA: background → #4f4f4f (4.71:1); AAA: text → #005e80 (7.21:1); AAA: background → #333333 (7.26:1)
- On black (#000000): 12.07:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **PayPal** — secondary #65ccfc (Δ 1.671) — https://brandsweets.com/colors/brands/paypal-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/57d2ff-9cb5c4-df4e6e-1f232d-e9f1ef?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: "#57d2ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.