# #3563f8

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

## Values

- Hex: `#3563f8`
- RGB: rgb(53, 99, 248)
- HSL: hsl(226, 93%, 59%)
- OKLCH: oklch(0.562 0.228 265.9)
- Relative luminance: 0.1646
- Nearest named color: Bluerocratic (#1f66ff, Δ 1.711) — https://brandsweets.com/colors/bluerocratic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3563f8

## Tints & shades

- Tints (toward white): #4972f8, #5d81f9, #7090fa, #84a0fb, #98affb, #a6bafc, #bacafd, #ced9fd, #e1e8fe, #f5f7ff
- Shades (toward black): #1d50f7, #093eec, #0837d4, #0730b6, #06299d, #052180, #041b67, #03134a, #020d31, #010514

## Harmonies

- Complementary: #f8ca35
- Analogous: #35c4f8, #6935f8
- Triadic: #f83563, #63f835
- Split-complementary: #f86935, #c4f835
- Tetradic: #f835c4, #f8ca35, #35f869

## Colors that go with #3563f8

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 #3563f8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Disney (https://brandsweets.com/colors/brands/disney-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #3563f8 — 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), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #3563f8 in 7 real palettes, including Mastodon hosted on mastodon.social's brand system and Walmart's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Signal's brand system and MongoDB's brand system put Blue beside #3563f8, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3563f8: 12 real palettes, including Behance's brand system and Nivea's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #3563f8: 6 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3563f8: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #3563f8: 7 real palettes, including OnePlus's brand system and ASUS's brand system, as the supporting colour. Seen in: OnePlus (https://brandsweets.com/colors/brands/oneplus-com), ASUS (https://brandsweets.com/colors/brands/asus-com), PostHog (https://brandsweets.com/colors/brands/posthog-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 4.89:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #093ff1 (7.02:1)
- On black (#000000): 4.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3f6af8 (4.63:1); AA: background → #f7f7f7 (4.57:1); AAA: text → #7090fa (7.06:1)

## Brands using this color

- **OnePlus** — accent #2660f5 (Δ 1.519) — https://brandsweets.com/colors/brands/oneplus-com
- **Rotten Tomatoes** — secondary #326af6 (Δ 1.594) — https://brandsweets.com/colors/brands/rottentomatoes-com
- **Roblox** — primary #345cfc (Δ 1.64) — https://brandsweets.com/colors/brands/roblox-com
- **Docker** — secondary #2560ff (Δ 1.749) — https://brandsweets.com/colors/brands/docker-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/3563f8-9ca1c4-df774e-221f2d-e9eff1?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: "#3563f8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.