# #19bbf5

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

## Values

- Hex: `#19bbf5`
- RGB: rgb(25, 187, 245)
- HSL: hsl(196, 92%, 53%)
- OKLCH: oklch(0.743 0.145 230.3)
- Relative luminance: 0.4234
- Nearest named color: Blue Bikini (#00bbee, Δ 1.151) — https://brandsweets.com/colors/blue-bikini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/19bbf5

## Tints & shades

- Tints (toward white): #31c2f6, #45c8f7, #5dcff8, #71d5f9, #89dcfa, #9de2fb, #b6e9fc, #c9effd, #e2f6fe, #f5fcff
- Shades (toward black): #0aafeb, #099dd3, #088bba, #0778a2, #066a8e, #055776, #04455d, #033345, #02212c, #010f14

## Harmonies

- Complementary: #f55419
- Analogous: #19f5c2, #194cf5
- Triadic: #f519bb, #bbf519
- Split-complementary: #f5194c, #f5c219
- Tetradic: #c219f5, #f55419, #4cf519

## Colors that go with #19bbf5

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 #19bbf5: 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 #19bbf5 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 #19bbf5 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 #19bbf5: 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), Apple (https://brandsweets.com/colors/brands/apple-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #19bbf5: 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 #19bbf5, 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 #19bbf5 in 7 real palettes, including Elastic's brand system and NBA's brand system, as the accent. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), NBA (https://brandsweets.com/colors/brands/nba-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/royalblue
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #19bbf5 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): 2.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #077ca6 (4.73:1); AA: background → #424242 (4.53:1); AAA: text → #055f7f (7.12:1); AAA: background → #212121 (7.26:1)
- On black (#000000): 9.47:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Figma** — logoBlue #1abcfe (Δ 1.309) — https://brandsweets.com/colors/brands/figma

## Curated palettes containing it

- **Blueprint** (technical, cool, modern, dark) — #38bdf8, #818cf8, #fbbf24, #0f172a, #e2e8f0 — Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'. — tool: https://brandsweets.com/palettes/new/38bdf8-818cf8-fbbf24-0f172a-e2e8f0 — collection: https://brandsweets.com/palettes/technical

## 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/19bbf5-9cb5c4-df4e6e-1f232d-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: "#19bbf5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.