# #3572e3

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

## Values

- Hex: `#3572e3`
- RGB: rgb(53, 114, 227)
- HSL: hsl(219, 76%, 55%)
- OKLCH: oklch(0.575 0.184 261.4)
- Relative luminance: 0.1834
- Nearest named color: Royal Blue (#4169e1, Δ 2.257) — https://brandsweets.com/colors/royalblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3572e3

## Tints & shades

- Tints (toward white): #477fe6, #5d8ee9, #6f9beb, #81a7ee, #98b7f1, #aac4f3, #bcd0f6, #ceddf8, #e4ecfb, #f6f9fe
- Shades (toward black): #1f62e0, #1c59ca, #184fb4, #15459d, #123b87, #0f2f6c, #0c2555, #091c3f, #061228, #020812

## Harmonies

- Complementary: #e3a635
- Analogous: #35c9e3, #4f35e3
- Triadic: #e33572, #72e335
- Split-complementary: #e34f35, #c9e335
- Tetradic: #e335c9, #e3a635, #35e34f

## Colors that go with #3572e3

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 #3572e3: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #3572e3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Behance (https://brandsweets.com/colors/brands/behance-net), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #3572e3 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 #3572e3 in 12 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including BBC's brand system and EA's brand system put Blue beside #3572e3, as the accent. Seen in: BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3572e3: 14 real palettes, including Carrefour's brand system and Nokia's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Behance (https://brandsweets.com/colors/brands/behance-net), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #3572e3: 6 real palettes, including Webflow's brand system and NBA's brand system, as the accent. Seen in: Webflow (https://brandsweets.com/colors/brands/webflow-com), NBA (https://brandsweets.com/colors/brands/nba-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3572e3: 9 real palettes, including Elastic's brand system and Astro's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Astro (https://brandsweets.com/colors/brands/astro-build), Patreon (https://brandsweets.com/colors/brands/patreon-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.5:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #316fe3 (4.65:1); AA: background → #050505 (4.53:1); AAA: text → #1951b8 (7.22:1)
- On black (#000000): 4.67:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6695ea (7.05:1)

## Brands using this color

- **Guinness** — secondary #1a73e8 (Δ 1.608) — https://brandsweets.com/colors/brands/guinness-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/3572e3-9ca5c4-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: "#3572e3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.