# #247df9

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

## Values

- Hex: `#247df9`
- RGB: rgb(36, 125, 249)
- HSL: hsl(215, 95%, 56%)
- OKLCH: oklch(0.609 0.203 258.3)
- Relative luminance: 0.2188
- Nearest named color: Azure (#007fff, Δ 1.233) — https://brandsweets.com/colors/azure-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/247df9

## Tints & shades

- Tints (toward white): #3889fa, #4c95fa, #65a3fb, #79affc, #8dbbfc, #a1c7fd, #b4d3fd, #cde1fe, #e1edfe, #f5f9ff
- Shades (toward black): #0b6ef9, #0663e5, #0556c7, #044bae, #044095, #03367c, #032b63, #021e46, #01132d, #010914

## Harmonies

- Complementary: #f9a124
- Analogous: #24e8f9, #3624f9
- Triadic: #f9247d, #7df924
- Split-complementary: #f93624, #e8f924
- Tetradic: #f924e8, #f9a124, #24f936

## Colors that go with #247df9

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 #247df9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #247df9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), WWE (https://brandsweets.com/colors/brands/wwe-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #247df9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #247df9 in 10 real palettes, including Google's brand system and Heatwave, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Walmart (https://brandsweets.com/colors/brands/walmart-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 13 real palettes, including Cargo's brand system and Samsung's brand system put Blue beside #247df9, as the accent. Seen in: Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #247df9: 10 real palettes, including Carrefour's brand system and Behance's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #247df9: 9 real palettes, including Patreon's brand system and Venmo's brand system, as the supporting colour. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #247df9: 18 real palettes, including Coursera's brand system and Guinness's brand system, as the accent. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), Guinness (https://brandsweets.com/colors/brands/guinness-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.91:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0b6ef9 (4.55:1); AA: background → #171717 (4.59:1); AAA: text → #0552bd (7.12:1)
- On black (#000000): 5.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5198fb (7.23:1)

## Brands using this color

- **PostHog** — secondary #2f80fa (Δ 1.069) — https://brandsweets.com/colors/brands/posthog-com
- **OnePlus** — secondary #007bff (Δ 1.481) — https://brandsweets.com/colors/brands/oneplus-com
- **Absolut** — secondary #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/absolut-com
- **Abstract** — accent #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/abstract-com
- **ASUS** — secondary #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/asus-com
- **Cargo** — primary #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/cargo-site
- **Databricks** — accent #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/databricks-com
- **Liquid Death** — secondary #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/liquiddeath-com
- **PostHog** — primary #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/posthog-com
- **Samsung** — secondary #007aff (Δ 1.635) — https://brandsweets.com/colors/brands/samsung-com
- **Bluesky Social** — primary #1484fc (Δ 1.734) — https://brandsweets.com/colors/brands/bsky-app
- **Opensea** — primary #0484fc (Δ 1.776) — https://brandsweets.com/colors/brands/opensea-io
- **Confluent** — secondary #0079ff (Δ 1.81) — https://brandsweets.com/colors/brands/confluent-io
- **Penpot** — accent #1677ff (Δ 1.957) — https://brandsweets.com/colors/brands/penpot-app

## 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/247df9-9ca8c4-df5d4e-201f2d-e9f0f1?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: "#247df9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.