# #6171ff

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

## Values

- Hex: `#6171ff`
- RGB: rgb(97, 113, 255)
- HSL: hsl(234, 100%, 69%)
- OKLCH: oklch(0.614 0.209 273.7)
- Relative luminance: 0.2157
- Nearest named color: Blue Öyster Cult (#5577ee, Δ 3.27) — https://brandsweets.com/colors/blue-oyster-cult
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/6171ff

## Tints & shades

- Tints (toward white): #707eff, #808cff, #8f9aff, #9ea8ff, #adb6ff, #b8bfff, #c7cdff, #d6daff, #e5e8ff, #f5f6ff
- Shades (toward black): #4255ff, #1f35ff, #001aff, #0016db, #0013bd, #000f99, #000c7a, #000957, #000638, #000214

## Harmonies

- Complementary: #ffef61
- Analogous: #61c0ff, #a061ff
- Triadic: #ff6171, #71ff61
- Split-complementary: #ffa061, #c0ff61
- Tetradic: #ff61c0, #ffef61, #61ffa0

## Colors that go with #6171ff

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 #6171ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Disney (https://brandsweets.com/colors/brands/disney-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: triadic] — Orange Red completes a triad with #6171ff — 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), Databricks (https://brandsweets.com/colors/brands/databricks-com), Replit (https://brandsweets.com/colors/brands/replit), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/orangered
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #6171ff — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Intel (https://brandsweets.com/colors/brands/intel-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #6171ff in 9 real palettes, including Mastodon hosted on mastodon.social's brand system and Google's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Google (https://brandsweets.com/colors/brands/google-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 13 real palettes, including Penpot's brand system and Cargo's brand system put Blue beside #6171ff, as the supporting colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #6171ff: 7 real palettes, including Behance's brand system and Carrefour's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #6171ff in 11 real palettes, including Behance's brand system and WWE's brand system, as the accent. 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #6171ff: 8 real palettes, including Calm's brand system and Elastic's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Venmo (https://brandsweets.com/colors/brands/venmo-com), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.95:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5263ff (4.58:1); AA: background → #171717 (4.54:1); AAA: text → #1a30ff (7.21:1)
- On black (#000000): 5.31:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #808cff (7.11:1)

## 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/6171ff-9d9cc4-df8a4e-241f2d-e9eef1?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: "#6171ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.