# #6642f5

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

## Values

- Hex: `#6642f5`
- RGB: rgb(102, 66, 245)
- HSL: hsl(252, 90%, 61%)
- OKLCH: oklch(0.537 0.249 283.4)
- Relative luminance: 0.1331
- Nearest named color: Meteor Shower (#5533ff, Δ 4.036) — https://brandsweets.com/colors/meteor-shower
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/6642f5

## Tints & shades

- Tints (toward white): #7655f6, #8164f7, #9177f8, #a18bf9, #b09efa, #bcadfb, #ccc0fc, #dcd3fd, #e7e2fd, #f7f5fe
- Shades (toward black): #4e25f4, #3b0df2, #340bd5, #2d0ab8, #2708a0, #200783, #190566, #120449, #0c0330, #050113

## Harmonies

- Complementary: #d1f542
- Analogous: #4278f5, #bf42f5
- Triadic: #f56642, #42f566
- Split-complementary: #f5bf42, #78f542
- Tetradic: #f54278, #d1f542, #42f5bf

## Colors that go with #6642f5

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 #6642f5: 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), Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: analogous] — Denim is #6642f5's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Chase (https://brandsweets.com/colors/brands/chase-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com). — https://brandsweets.com/colors/denim
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #6642f5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), 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). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #6642f5 in 5 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), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Signal's brand system and Dropbox's brand system put Blue beside #6642f5, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #6642f5: 8 real palettes, including Nivea's brand system and Nokia's brand system, as the lead colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #6642f5: 6 real palettes, including Mastodon hosted on mastodon.social's brand system and Roblox's brand system, as the supporting colour. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Roblox (https://brandsweets.com/colors/brands/roblox-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #6642f5 in 9 real palettes, including Gemstone and Toyota's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Toyota (https://brandsweets.com/colors/brands/toyota-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 5.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #522af4 (7.01:1)
- On black (#000000): 3.66:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #795af6 (4.61:1); AA: background → #e6e6e6 (4.59:1); AAA: text → #9d86f9 (7.21:1)

## 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/6642f5-a99cc4-dfb64e-281f2d-e9ecf1?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: "#6642f5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.