# #03a9fc

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

## Values

- Hex: `#03a9fc`
- RGB: rgb(3, 169, 252)
- HSL: hsl(200, 98%, 50%)
- OKLCH: oklch(0.703 0.165 241.7)
- Relative luminance: 0.3542
- Nearest named color: Cerulean (#55aaee, Δ 3.86) — https://brandsweets.com/colors/cerulean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/03a9fc

## Tints & shades

- Tints (toward white): #1cb2fd, #35bafd, #49c1fd, #62cafd, #7cd2fe, #95dbfe, #aee4fe, #c2eafe, #dcf3ff, #f5fcff
- Shades (toward black): #0298e3, #028bcf, #027ab6, #026ca2, #015b88, #014a6f, #013d5b, #012c42, #001e2d, #000e14

## Harmonies

- Complementary: #fc5603
- Analogous: #03fcd3, #032cfc
- Triadic: #fc03a9, #a9fc03
- Split-complementary: #fc032c, #fcd303
- Tetradic: #d303fc, #fc5603, #2cfc03

## Colors that go with #03a9fc

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 #03a9fc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #03a9fc in 7 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] — 6 real palettes, including Unity's brand system and Warp's brand system put Blue beside #03a9fc, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #03a9fc in 5 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), 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 #03a9fc: 5 real palettes, including Venmo's brand system and Apple's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [harmony, pool: triadic] — Medium Sea Green completes a triad with #03a9fc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #03a9fc, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #03a9fc in 8 real palettes, including Figma's brand system and Heatwave, as the lead colour. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Cursor (https://brandsweets.com/colors/brands/cursor-com), Replit (https://brandsweets.com/colors/brands/replit). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 2.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #027dbb (4.51:1); AA: background → #383838 (4.51:1); AAA: text → #015b88 (7.36:1); AAA: background → #141414 (7.09:1)
- On black (#000000): 8.08:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Kraken** — accent #00adfe (Δ 1.074) — https://brandsweets.com/colors/brands/kraken-com
- **Remix** — primary #2dacf9 (Δ 1.503) — https://brandsweets.com/colors/brands/remix-run
- **JetBrains** — secondary #18a3fa (Δ 1.564) — https://brandsweets.com/colors/brands/jetbrains-com
- **Blizzard** — primary #38a8ff (Δ 1.61) — https://brandsweets.com/colors/brands/blizzard-com
- **Render** — secondary #33acff (Δ 1.698) — https://brandsweets.com/colors/brands/render-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/03a9fc-9cb2c4-df4e64-1f232d-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: "#03a9fc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.