# #0fa9eb

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

## Values

- Hex: `#0fa9eb`
- RGB: rgb(15, 169, 235)
- HSL: hsl(198, 88%, 49%)
- OKLCH: oklch(0.695 0.147 235.9)
- Relative luminance: 0.3448
- Nearest named color: Cerulean (#55aaee, Δ 3.415) — https://brandsweets.com/colors/cerulean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0fa9eb

## Tints & shades

- Tints (toward white): #22b3f1, #3abbf2, #52c4f4, #6accf6, #82d4f7, #96dbf8, #aee3fa, #c5ebfb, #ddf3fd, #f5fcfe
- Shades (toward black): #0e9bd8, #0c8ac0, #0b7cad, #096b95, #085d81, #074c69, #063e56, #042d3e, #031f2b, #010e13

## Harmonies

- Complementary: #eb510f
- Analogous: #0febbf, #0f3beb
- Triadic: #eb0fa9, #a9eb0f
- Split-complementary: #eb0f3b, #ebbf0f
- Tetradic: #bf0feb, #eb510f, #3beb0f

## Colors that go with #0fa9eb

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 #0fa9eb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #0fa9eb in 6 real palettes, including Salesforce's brand system and NBA's brand system, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Warp's brand system and Unity's brand system put Blue beside #0fa9eb, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #0fa9eb in 5 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0fa9eb: 7 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), Gopro (https://brandsweets.com/colors/brands/gopro-com), Apple (https://brandsweets.com/colors/brands/apple-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Kraken's brand system and Confluent's brand system put Midnight Blue beside #0fa9eb, 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
- **Orange** #ffa500 [pool] — 4 real palettes, including Mistral AI's brand system and Gopro's brand system put Orange beside #0fa9eb, as the supporting colour. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Gopro (https://brandsweets.com/colors/brands/gopro-com), PostHog (https://brandsweets.com/colors/brands/posthog-com), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #0fa9eb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Replit (https://brandsweets.com/colors/brands/replit), Substack (https://brandsweets.com/colors/brands/substack-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 2.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b7cad (4.67:1); AA: background → #363636 (4.54:1); AAA: text → #085d81 (7.26:1); AAA: background → #121212 (7.04:1)
- On black (#000000): 7.9:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Elastic** — secondary #00a9e5 (Δ 0.957) — https://brandsweets.com/colors/brands/elastic-co
- **Telegram** — primary #2aabee (Δ 1.097) — https://brandsweets.com/colors/brands/telegram-org
- **Lamborghini** — secondary #29abe2 (Δ 1.708) — https://brandsweets.com/colors/brands/lamborghini-com

## Curated palettes containing it

- **Arctic** (clean, cool, minimal) — #0f1b2d, #7d93a8, #0ea5e9, #ffffff — Navy type on white with an ice-blue accent: crisp and corporate without going grey. — tool: https://brandsweets.com/palettes/new/0f1b2d-7d93a8-0ea5e9-ffffff — collection: https://brandsweets.com/palettes/clean

## 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/0fa9eb-9cb3c4-df4e69-1f232d-e9f1f0?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: "#0fa9eb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.