# #3e79ef

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

## Values

- Hex: `#3e79ef`
- RGB: rgb(62, 121, 239)
- HSL: hsl(220, 85%, 59%)
- OKLCH: oklch(0.601 0.189 262.3)
- Relative luminance: 0.2093
- Nearest named color: Blue Öyster Cult (#5577ee, Δ 2.156) — https://brandsweets.com/colors/blue-oyster-cult
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3e79ef

## Tints & shades

- Tints (toward white): #5086f1, #6393f2, #76a0f4, #89adf5, #9cbaf7, #aac4f8, #bdd1fa, #d0defb, #e3ebfd, #f6f8fe
- Shades (toward black): #2668ed, #1258e2, #104fcb, #0e44af, #0c3a97, #0a307b, #082663, #061b47, #04122f, #020713

## Harmonies

- Complementary: #efb43e
- Analogous: #3ed2ef, #5b3eef
- Triadic: #ef3e79, #79ef3e
- Split-complementary: #ef5b3e, #d2ef3e
- Tetradic: #ef3ed2, #efb43e, #3eef5b

## Colors that go with #3e79ef

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 #3e79ef: 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 #3e79ef — 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), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #3e79ef 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 #3e79ef in 12 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] — 14 real palettes, including Penpot's brand system and Readymag's brand system put Blue beside #3e79ef, as the supporting colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), Readymag (https://brandsweets.com/colors/brands/readymag-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3e79ef: 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 #3e79ef: 9 real palettes, including Patreon's brand system and Elastic's brand system, as the supporting colour. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3e79ef: 17 real palettes, including Guinness's brand system and Fivetran blue's brand system, as the accent. Seen in: Guinness (https://brandsweets.com/colors/brands/guinness-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), Motorola (https://brandsweets.com/colors/brands/motorola-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.05:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2f6fee (4.54:1); AA: background → #141414 (4.55:1); AAA: text → #104dc6 (7.24:1)
- On black (#000000): 5.19:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6896f3 (7.25:1)

## 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/3e79ef-9ca5c4-df694e-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: "#3e79ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.