# #57bfdb

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

## Values

- Hex: `#57bfdb`
- RGB: rgb(87, 191, 219)
- HSL: hsl(193, 65%, 60%)
- OKLCH: oklch(0.754 0.103 218.3)
- Relative luminance: 0.444
- Nearest named color: Blue Martini (#52b4d3, Δ 3.126) — https://brandsweets.com/colors/blue-martini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/57bfdb

## Tints & shades

- Tints (toward white): #68c5df, #78cbe2, #85d0e5, #96d7e9, #a7ddec, #b7e4f0, #c8eaf3, #d5eff6, #e6f5fa, #f7fcfd
- Shades (toward black): #3db5d6, #2cabce, #2696b5, #2285a0, #1d7087, #175b6d, #134958, #0d343f, #09232a, #040e11

## Harmonies

- Complementary: #db7357
- Analogous: #57dbb6, #577cdb
- Triadic: #db57bf, #bfdb57
- Split-complementary: #db577c, #dbb657
- Tetradic: #b657db, #db7357, #7cdb57

## Colors that go with #57bfdb

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 #57bfdb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #57bfdb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/darksalmon
- **Crimson** #dc143c [pool] — Crimson is paired with #57bfdb 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), JBL (https://brandsweets.com/colors/brands/jbl-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #57bfdb: 5 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-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 #57bfdb: 4 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Opensea (https://brandsweets.com/colors/brands/opensea-io), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Confluent's brand system and First Snow put Midnight Blue beside #57bfdb, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), First Snow (https://brandsweets.com/palettes/cool#first-snow), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #57bfdb 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
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #57bfdb: 5 real palettes, including First Snow and Calendly's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Calendly (https://brandsweets.com/colors/brands/calendly-com), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Audible (https://brandsweets.com/colors/brands/audible-com). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 2.13:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #207e97 (4.67:1); AA: background → #454545 (4.51:1); AAA: text → #185e72 (7.28:1); AAA: background → #262626 (7.12:1)
- On black (#000000): 9.88:1 — AA pass, AA-large pass, AAA pass

## 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/57bfdb-a2b5be-df4e75-1f242d-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: "#57bfdb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.