# #53cfdf

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

## Values

- Hex: `#53cfdf`
- RGB: rgb(83, 207, 223)
- HSL: hsl(187, 69%, 60%)
- OKLCH: oklch(0.792 0.111 207.1)
- Relative luminance: 0.5179
- Nearest named color: mediumturquoise (#48d1cc, Δ 3.146) — https://brandsweets.com/colors/mediumturquoise
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/53cfdf

## Tints & shades

- Tints (toward white): #64d4e3, #75d9e6, #82dce8, #93e1eb, #a5e6ee, #b6ebf2, #c7eff5, #d4f3f7, #e5f8fa, #f6fdfd
- Shades (toward black): #39c8db, #27bfd3, #22a8b9, #1e94a4, #197d8a, #156570, #11525a, #0c3a41, #08272b, #031011

## Harmonies

- Complementary: #df6353
- Analogous: #53dfa9, #5389df
- Triadic: #df53cf, #cfdf53
- Split-complementary: #df5389, #dfa953
- Tetradic: #a953df, #df6353, #89df53

## Colors that go with #53cfdf

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 #53cfdf: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #53cfdf 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 #53cfdf 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), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #53cfdf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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). — https://brandsweets.com/colors/darkorange
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #53cfdf: 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), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #53cfdf: 5 real palettes, including Audible's brand system and First Snow, as the supporting colour. Seen in: Audible (https://brandsweets.com/colors/brands/audible-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Steam (https://brandsweets.com/colors/brands/steampowered-com), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #53cfdf in 7 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), Confluent (https://brandsweets.com/colors/brands/confluent-io), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 5 real palettes, including Still Water and Dusty Blue put Slate Gray beside #53cfdf, as the lead colour. Seen in: Still Water (https://brandsweets.com/palettes/cool#still-water), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 1.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1a818e (4.59:1); AA: background → #4d4d4d (4.57:1); AAA: text → #14616c (7.1:1); AAA: background → #303030 (7.14:1)
- On black (#000000): 11.36:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Mattel** — accent #6ad1e2 (Δ 1.875) — https://brandsweets.com/colors/brands/mattel-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/53cfdf-a2b8be-df4e83-1f262d-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: "#53cfdf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.