# #564fd8

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

## Values

- Hex: `#564fd8`
- RGB: rgb(86, 79, 216)
- HSL: hsl(243, 64%, 58%)
- OKLCH: oklch(0.518 0.203 278.9)
- Relative luminance: 0.1253
- Nearest named color: Arcane Brew (#5260e1, Δ 3.95) — https://brandsweets.com/colors/arcane-brew
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/564fd8

## Tints & shades

- Tints (toward white): #6660dc, #7671e0, #8682e3, #9792e7, #a7a3eb, #b7b4ee, #c7c4f2, #d7d5f6, #e7e6f9, #f7f7fd
- Shades (toward black): #423ad4, #332bc5, #2d27b0, #272197, #221c82, #1c186d, #161254, #100e3f, #0a0826, #040411

## Harmonies

- Complementary: #d2d84f
- Analogous: #4f8dd8, #9b4fd8
- Triadic: #d8564f, #4fd856
- Split-complementary: #d89b4f, #8dd84f
- Tetradic: #d84f8d, #d2d84f, #4fd89b

## Colors that go with #564fd8

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 #564fd8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #564fd8 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #564fd8 in 6 real palettes, including Wikipedia's brand system and Warner Bros.'s brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Pixar's brand system and Signal's brand system put Blue beside #564fd8, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Signal (https://brandsweets.com/colors/brands/signal-org), Headspace (https://brandsweets.com/colors/brands/headspace-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #564fd8: 10 real palettes, including Warbyparker's brand system and NHL's brand system, as the supporting colour. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #564fd8: 8 real palettes, including Coca-Cola's brand system and Roblox's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-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
- **Crimson** #dc143c [pool] — Crimson is paired with #564fd8 in 17 real palettes, including Netflix's brand system and Ulta Beauty's brand system, as the lead colour. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Chase (https://brandsweets.com/colors/brands/chase-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #564fd8: 6 real palettes, including Calm's brand system and Kraken's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.99:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #463fd5 (7.16:1)
- On black (#000000): 3.51:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6e68de (4.7:1); AA: background → #e0e0e0 (4.54:1); AAA: text → #928ee6 (7.23:1)

## 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/564fd8-a39cc4-dfa04e-261f2d-e9edf1?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: "#564fd8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.