# #57c8cb

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

## Values

- Hex: `#57c8cb`
- RGB: rgb(87, 200, 203)
- HSL: hsl(182, 53%, 57%)
- OKLCH: oklch(0.769 0.102 197.6)
- Relative luminance: 0.4765
- Nearest named color: mediumturquoise (#48d1cc, Δ 2.53) — https://brandsweets.com/colors/mediumturquoise
- Moods: cool, modern
- Page: https://brandsweets.com/colors/57c8cb

## Tints & shades

- Tints (toward white): #67cdd0, #76d2d5, #86d7da, #96dcdf, #a9e3e5, #b9e8e9, #c8edee, #d8f2f3, #e8f7f8, #f7fcfd
- Shades (toward black): #44c1c5, #37afb3, #319ca0, #2b898c, #257679, #1e5f62, #184c4e, #12393b, #0b2223, #050f10

## Harmonies

- Complementary: #cb5b57
- Analogous: #57cb95, #578dcb
- Triadic: #cb57c8, #c8cb57
- Split-complementary: #cb578d, #cb9557
- Tetradic: #9557cb, #cb5b57, #8dcb57

## Colors that go with #57c8cb

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 #57c8cb: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #57c8cb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Uber's brand system put Blue beside #57c8cb, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #57c8cb: 4 real palettes, including UEFA's brand system and Coca-Cola's brand system, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #57c8cb: 5 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), Figma (https://brandsweets.com/colors/brands/figma), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Confluent's brand system and First Snow put Midnight Blue beside #57c8cb, 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
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #57c8cb: 4 real palettes, including First Snow and Crypto.com's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Audible (https://brandsweets.com/colors/brands/audible-com), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #57c8cb in 7 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.99:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #298285 (4.54:1); AA: background → #474747 (4.66:1); AAA: text → #1e5f62 (7.32:1); AAA: background → #2b2b2b (7.1:1)
- On black (#000000): 10.53:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/57c8cb-a2babe-d45990-1f272d-e9f1ee?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: "#57c8cb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.