# #406cfc

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

## Values

- Hex: `#406cfc`
- RGB: rgb(64, 108, 252)
- HSL: hsl(226, 97%, 62%)
- OKLCH: oklch(0.586 0.22 266.5)
- Relative luminance: 0.1884
- Nearest named color: Bluerocratic (#1f66ff, Δ 2.99) — https://brandsweets.com/colors/bluerocratic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/406cfc

## Tints & shades

- Tints (toward white): #547bfc, #6387fd, #7797fd, #86a2fd, #9bb2fd, #afc1fe, #becdfe, #d2dcfe, #e1e8ff, #f5f7ff
- Shades (toward black): #2255fc, #043efb, #0337e2, #0330c4, #0329a6, #022188, #021a69, #011450, #010c32, #000514

## Harmonies

- Complementary: #fcd040
- Analogous: #40cafc, #7240fc
- Triadic: #fc406c, #6cfc40
- Split-complementary: #fc7240, #cafc40
- Tetradic: #fc40ca, #fcd040, #40fc72

## Colors that go with #406cfc

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 #406cfc: 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 #406cfc — 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 #406cfc in 9 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), Google (https://brandsweets.com/colors/brands/google-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 13 real palettes, including Penpot's brand system and MongoDB's brand system put Blue beside #406cfc, as the supporting colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), EA (https://brandsweets.com/colors/brands/ea-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #406cfc: 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), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #406cfc: 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 #406cfc: 9 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 #406cfc: 15 real palettes, including Fivetran blue's brand system and Square's brand system, as the supporting colour. Seen in: Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Square (https://brandsweets.com/colors/brands/squareup-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3b68fc (4.59:1); AA: background → #080808 (4.55:1); AAA: text → #043cf6 (7.04:1)
- On black (#000000): 4.77:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7293fd (7.31:1)

## Brands using this color

- **Rotten Tomatoes** — secondary #326af6 (Δ 1.656) — https://brandsweets.com/colors/brands/rottentomatoes-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/406cfc-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: "#406cfc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.