# #3768fb

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

## Values

- Hex: `#3768fb`
- RGB: rgb(55, 104, 251)
- HSL: hsl(225, 96%, 60%)
- OKLCH: oklch(0.574 0.226 265.5)
- Relative luminance: 0.1768
- Nearest named color: Bluerocratic (#1f66ff, Δ 1.804) — https://brandsweets.com/colors/bluerocratic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3768fb

## Tints & shades

- Tints (toward white): #4b77fb, #5f86fc, #6e92fc, #82a1fc, #96b0fd, #aabffd, #becefe, #cdd9fe, #e1e8fe, #f5f7ff
- Shades (toward black): #1951fa, #0541f5, #0439d7, #0432be, #032aa0, #032282, #021c69, #02144b, #010d32, #000514

## Harmonies

- Complementary: #fbca37
- Analogous: #37cafb, #6837fb
- Triadic: #fb3768, #68fb37
- Split-complementary: #fb6837, #cafb37
- Tetradic: #fb37ca, #fbca37, #37fb68

## Colors that go with #3768fb

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 #3768fb: 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 #3768fb — 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 #3768fb in 8 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] — 13 real palettes, including MongoDB's brand system and EA's brand system put Blue beside #3768fb, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), EA (https://brandsweets.com/colors/brands/ea-com), BBC (https://brandsweets.com/colors/brands/bbc-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3768fb: 13 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 #3768fb: 6 real palettes, including Webflow's brand system and Roblox's brand system, as the accent. Seen in: Webflow (https://brandsweets.com/colors/brands/webflow-com), Roblox (https://brandsweets.com/colors/brands/roblox-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 #3768fb: 8 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), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3768fb: 15 real palettes, including Square's brand system and Fivetran blue's brand system, as the supporting colour. Seen in: Square (https://brandsweets.com/colors/brands/squareup-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Chase (https://brandsweets.com/colors/brands/chase-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.63:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0540f0 (7:1)
- On black (#000000): 4.54:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6e92fc (7.18:1)

## Brands using this color

- **Rotten Tomatoes** — secondary #326af6 (Δ 0.943) — https://brandsweets.com/colors/brands/rottentomatoes-com
- **Behance** — primary #1769ff (Δ 1.889) — https://brandsweets.com/colors/brands/behance-net

## 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/3768fb-9ca1c4-df754e-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: "#3768fb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.