# #864fcf

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

## Values

- Hex: `#864fcf`
- RGB: rgb(134, 79, 207)
- HSL: hsl(266, 57%, 56%)
- OKLCH: oklch(0.554 0.19 300)
- Relative luminance: 0.1517
- Nearest named color: slateblue (#6a5acd, Δ 5.034) — https://brandsweets.com/colors/slateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/864fcf

## Tints & shades

- Tints (toward white): #915fd3, #9c6fd8, #aa83dd, #b593e1, #c0a3e6, #cbb3ea, #d6c3ef, #e4d7f4, #efe7f8, #faf7fd
- Shades (toward black): #793bc9, #6c32b8, #5e2ca0, #52268c, #472178, #3b1b64, #2f1650, #210f38, #150a24, #090410

## Harmonies

- Complementary: #97cf4f
- Analogous: #4f57cf, #c64fcf
- Triadic: #cf864f, #4fcf86
- Split-complementary: #cfc64f, #57cf4f
- Tetradic: #cf4f57, #97cf4f, #4fcfc6

## Colors that go with #864fcf

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 #864fcf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #864fcf's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Stripe (https://brandsweets.com/colors/brands/stripe), Guinness (https://brandsweets.com/colors/brands/guinness-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #864fcf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), 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
- **Crimson** #dc143c [pool] — Crimson is paired with #864fcf in 5 real palettes, including Gemstone and Marvel's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Lavender Haze and Marvel's brand system put Midnight Blue beside #864fcf, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Marvel (https://brandsweets.com/colors/brands/marvel-com), Discord (https://brandsweets.com/colors/brands/discord), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #864fcf in 5 real palettes, including Superhuman's brand system and Obsidian's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Zed (https://brandsweets.com/colors/brands/zed-dev), Datadog (https://brandsweets.com/colors/brands/datadoghq-com). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #864fcf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive
- **Amber** #ffbf00 [pool] — Amber is paired with #864fcf in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Warner Bros.'s brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber

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

- On white (#ffffff): 5.21:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7135c0 (7.06:1)
- On black (#000000): 4.03:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8f5bd2 (4.59:1); AA: background → #f0f0f0 (4.57:1); AAA: text → #ad87de (7.3:1)

## Fonts for this mood

- 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/864fcf-b29cc4-dfd74e-2b1f2d-e9eaf1?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: "#864fcf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.