# #3379fa

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

## Values

- Hex: `#3379fa`
- RGB: rgb(51, 121, 250)
- HSL: hsl(219, 95%, 59%)
- OKLCH: oklch(0.605 0.206 261.3)
- Relative luminance: 0.2128
- Nearest named color: Azure (#007fff, Δ 2.085) — https://brandsweets.com/colors/azure-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3379fa

## Tints & shades

- Tints (toward white): #4786fa, #5b93fb, #6fa0fb, #83adfc, #97bafc, #a5c4fd, #b9d1fd, #cddefe, #e1ebfe, #f5f8ff
- Shades (toward black): #1a68f9, #0658ef, #054ed6, #0543b8, #043a9f, #032f81, #032668, #021b4b, #011232, #010714

## Harmonies

- Complementary: #fab433
- Analogous: #33dcfa, #5133fa
- Triadic: #fa3379, #79fa33
- Split-complementary: #fa5133, #dcfa33
- Tetradic: #fa33dc, #fab433, #33fa51

## Colors that go with #3379fa

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 #3379fa: 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 #3379fa — 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), Toyota (https://brandsweets.com/colors/brands/toyota-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #3379fa 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 #3379fa in 9 real palettes, including Google's brand system and Walmart's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 13 real palettes, including Penpot's brand system and Cargo's brand system put Blue beside #3379fa, as the supporting colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3379fa: 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 #3379fa: 9 real palettes, including Elastic's brand system and Patreon's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3379fa: 17 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), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Square (https://brandsweets.com/colors/brands/squareup-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1f6cf9 (4.59:1); AA: background → #141414 (4.61:1); AAA: text → #054dd1 (7.03:1)
- On black (#000000): 5.26:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5b93fb (7.01:1)

## Brands using this color

- **PostHog** — secondary #2f80fa (Δ 1.711) — https://brandsweets.com/colors/brands/posthog-com
- **Penpot** — accent #1677ff (Δ 1.739) — https://brandsweets.com/colors/brands/penpot-app
- **OnePlus** — secondary #007bff (Δ 1.868) — https://brandsweets.com/colors/brands/oneplus-com
- **Absolut** — secondary #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/absolut-com
- **Abstract** — accent #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/abstract-com
- **ASUS** — secondary #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/asus-com
- **Cargo** — primary #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/cargo-site
- **Databricks** — accent #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/databricks-com
- **Liquid Death** — secondary #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/liquiddeath-com
- **PostHog** — primary #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/posthog-com
- **Samsung** — secondary #007aff (Δ 1.895) — https://brandsweets.com/colors/brands/samsung-com
- **Confluent** — secondary #0079ff (Δ 1.954) — https://brandsweets.com/colors/brands/confluent-io

## 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/3379fa-9ca5c4-df664e-211f2d-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: "#3379fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.