# #1bb9ee

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

## Values

- Hex: `#1bb9ee`
- RGB: rgb(27, 185, 238)
- HSL: hsl(195, 86%, 52%)
- OKLCH: oklch(0.735 0.139 228.3)
- Relative luminance: 0.411
- Nearest named color: Blue Bikini (#00bbee, Δ 0.614) — https://brandsweets.com/colors/blue-bikini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1bb9ee

## Tints & shades

- Tints (toward white): #33c0f0, #46c6f1, #5ecef3, #71d3f4, #88dbf6, #a0e2f8, #b3e8f9, #cbeffb, #def5fd, #f6fcfe
- Shades (toward black): #11abdf, #0f99c7, #0e8bb4, #0c789d, #0a6685, #08546d, #064255, #053342, #03212b, #010f13

## Harmonies

- Complementary: #ee501b
- Analogous: #1beeb9, #1b50ee
- Triadic: #ee1bb9, #b9ee1b
- Split-complementary: #ee1b50, #eeb91b
- Tetradic: #b91bee, #ee501b, #50ee1b

## Colors that go with #1bb9ee

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 #1bb9ee: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #1bb9ee in 5 real palettes, including Blueprint and Salesforce's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #1bb9ee in 4 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), PayPal (https://brandsweets.com/colors/brands/paypal-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1bb9ee: 6 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1bb9ee: 4 real palettes, including Figma's brand system and Venmo's brand system, as the accent. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Kraken's brand system and Confluent's brand system put Midnight Blue beside #1bb9ee, as the lead colour. Seen in: 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), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1bb9ee in 7 real palettes, including Elastic's brand system and Confluent's brand system, as the accent. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Confluent (https://brandsweets.com/colors/brands/confluent-io), NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/royalblue
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #1bb9ee 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): 2.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0c80a6 (4.51:1); AA: background → #404040 (4.55:1); AAA: text → #095f7b (7.16:1); AAA: background → #212121 (7.07:1)
- On black (#000000): 9.22:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Snowflake AI Data Cloud** — secondary #29b5e8 (Δ 1.205) — https://brandsweets.com/colors/brands/snowflake-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/1bb9ee-9cb5c4-df4e70-1f242d-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: "#1bb9ee" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.