# #28c8f0

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

## Values

- Hex: `#28c8f0`
- RGB: rgb(40, 200, 240)
- HSL: hsl(192, 87%, 55%)
- OKLCH: oklch(0.773 0.134 220.3)
- Relative luminance: 0.4805
- Nearest named color: Blue Bikini (#00bbee, Δ 3.839) — https://brandsweets.com/colors/blue-bikini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/28c8f0

## Tints & shades

- Tints (toward white): #3bcdf1, #53d3f3, #66d8f4, #79ddf6, #91e3f7, #a4e8f9, #b7edfa, #cbf2fb, #e2f8fd, #f5fdfe
- Shades (toward black): #11c2ee, #0fafd7, #0d9bbf, #0c88a7, #0a748f, #085d72, #064a5b, #053643, #03232b, #011013

## Harmonies

- Complementary: #f05028
- Analogous: #28f0b4, #2864f0
- Triadic: #f028c8, #c8f028
- Split-complementary: #f02864, #f0b428
- Tetradic: #b428f0, #f05028, #64f028

## Colors that go with #28c8f0

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 #28c8f0: 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), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #28c8f0 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #28c8f0: 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] — 7 real palettes, including Telehealth and Kraken's brand system put Midnight Blue beside #28c8f0, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Kraken (https://brandsweets.com/colors/brands/kraken-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #28c8f0 in 6 real palettes, including 1password's brand system and Telehealth, as the accent. Seen in: 1password (https://brandsweets.com/colors/brands/1password-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Confluent (https://brandsweets.com/colors/brands/confluent-io), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #28c8f0: 4 real palettes, including Astro's brand system and Deep Water, as the lead colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #28c8f0 in 10 real palettes, including Astro's brand system and Crayon Box, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Cursor (https://brandsweets.com/colors/brands/cursor-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/taupe
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #28c8f0 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): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b809d (4.58:1); AA: background → #474747 (4.69:1); AAA: text → #086177 (7.03:1); AAA: background → #2b2b2b (7.15:1)
- On black (#000000): 10.61:1 — 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/28c8f0-a2b5be-df4e77-1f242d-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: "#28c8f0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.