# #657fe7

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

## Values

- Hex: `#657fe7`
- RGB: rgb(101, 127, 231)
- HSL: hsl(228, 73%, 65%)
- OKLCH: oklch(0.627 0.159 270.7)
- Relative luminance: 0.2371
- Nearest named color: Pan Purple (#657aef, Δ 1.867) — https://brandsweets.com/colors/pan-purple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/657fe7

## Tints & shades

- Tints (toward white): #728ae9, #8398ec, #91a3ee, #9eaef0, #b0bdf3, #bdc8f5, #cad3f7, #d7def9, #e9edfc, #f6f8fe
- Shades (toward black): #4a69e3, #3053df, #2043cf, #1c3bb5, #18329a, #13287c, #0f2061, #0b1747, #070e2c, #030612

## Harmonies

- Complementary: #e7cd65
- Analogous: #65c0e7, #8c65e7
- Triadic: #e7657f, #7fe765
- Split-complementary: #e78c65, #c0e765
- Tetradic: #e765c0, #e7cd65, #65e78c

## Colors that go with #657fe7

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 #657fe7: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Blizzard (https://brandsweets.com/colors/brands/blizzard-com). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: triadic] — Orange Red completes a triad with #657fe7 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Replit (https://brandsweets.com/colors/brands/replit), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/orangered
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #657fe7 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #657fe7 in 11 real palettes, including Google's brand system and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #657fe7, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Unity (https://brandsweets.com/colors/brands/unity-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #657fe7: 10 real palettes, including Carrefour's brand system and Blue Mono, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Behance (https://brandsweets.com/colors/brands/behance-net), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #657fe7 in 11 real palettes, including Marvel's brand system and Pizza Hut's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #657fe7: 10 real palettes, including Blueprint and Patreon's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.66:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4f6ce3 (4.58:1); AA: background → #1f1f1f (4.51:1); AAA: text → #2246d8 (7.15:1)
- On black (#000000): 5.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7b91ea (7.08:1)

## Brands using this color

- **Qualcomm** — secondary #5e83e2 (Δ 1.542) — https://brandsweets.com/colors/brands/qualcomm-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/657fe7-9c9fc4-df7c4e-231f2d-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: "#657fe7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.