# #57a8ff

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

## Values

- Hex: `#57a8ff`
- RGB: rgb(87, 168, 255)
- HSL: hsl(211, 100%, 67%)
- OKLCH: oklch(0.719 0.15 252.1)
- Relative luminance: 0.3725
- Nearest named color: Cerulean (#55aaee, Δ 2.729) — https://brandsweets.com/colors/cerulean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/57a8ff

## Tints & shades

- Tints (toward white): #66b0ff, #75b8ff, #85c0ff, #94c8ff, #a8d2ff, #b8daff, #c7e2ff, #d6eaff, #e5f2ff, #f5faff
- Shades (toward black): #3898ff, #1486ff, #0076f5, #0068d6, #0059b8, #004794, #003975, #002a57, #001933, #000a14

## Harmonies

- Complementary: #ffae57
- Analogous: #57fcff, #5a57ff
- Triadic: #ff57a8, #a8ff57
- Split-complementary: #ff5a57, #fcff57
- Tetradic: #ff57fc, #ffae57, #57ff5a

## Colors that go with #57a8ff

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 #57a8ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/charcoal
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #57a8ff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #57a8ff in 7 real palettes, including NBA's brand system and Salesforce's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Warp's brand system and Unity's brand system put Blue beside #57a8ff, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #57a8ff in 5 real palettes, including Learning App and Elastic's brand system, as the accent. Seen in: 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), PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #57a8ff: 7 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), Apple (https://brandsweets.com/colors/brands/apple-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [harmony, pool: triadic] — Emerald Green completes a triad with #57a8ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Gold** #ffd700 [pool] — Gold shows up next to #57a8ff in 4 real palettes, including Miro's brand system and Prime Video's brand system, as the lead colour. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/gold

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

- On white (#ffffff): 2.49:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0071eb (4.6:1); AA: background → #3b3b3b (4.51:1); AAA: text → #0056b3 (7.04:1); AAA: background → #1a1a1a (7:1)
- On black (#000000): 8.45:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **NBA** — accent #66abff (Δ 1.644) — https://brandsweets.com/colors/brands/nba-com
- **Calendly** — primary #64acfb (Δ 1.823) — https://brandsweets.com/colors/brands/calendly-com
- **Webflow** — accent #6ca7ff (Δ 1.86) — https://brandsweets.com/colors/brands/webflow-com

## Curated palettes containing it

- **Terminal** (technical, dark, modern) — #3fb950, #58a6ff, #f778ba, #0b0f14, #e6edf3 — Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare. — tool: https://brandsweets.com/palettes/new/3fb950-58a6ff-f778ba-0b0f14-e6edf3 — collection: https://brandsweets.com/palettes/technical
- **Blue Mono** (monochrome, cool, clean, technical) — #1e40af, #60a5fa, #bfdbfe, #f8fafc, #172554 — One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint. — tool: https://brandsweets.com/palettes/new/1e40af-60a5fa-bfdbfe-f8fafc-172554 — collection: https://brandsweets.com/palettes/monochrome

## 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/57a8ff-9cabc4-df534e-1f202d-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: "#57a8ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.