# #6f3f78

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

## Values

- Hex: `#6f3f78`
- RGB: rgb(111, 63, 120)
- HSL: hsl(291, 31%, 36%)
- OKLCH: oklch(0.449 0.106 321.1)
- Relative luminance: 0.0829
- Nearest named color: Eminence (#6e3974, Δ 1.517) — https://brandsweets.com/colors/eminence
- Moods: cool, muted
- Page: https://brandsweets.com/colors/6f3f78

## Tints & shades

- Tints (toward white): #824a8c, #9554a0, #a569b0, #b17dba, #bd91c5, #c9a5cf, #d5b9da, #e3d0e6, #efe4f1, #fbf8fb
- Shades (toward black): #663a6e, #5d3564, #512e57, #47284d, #3e2343, #351e39, #2b192f, #1f1221, #160c17, #0c070d

## Harmonies

- Complementary: #48783f
- Analogous: #533f78, #783f64
- Triadic: #78703f, #3f7870
- Split-complementary: #64783f, #3f7853
- Tetradic: #78533f, #48783f, #3f6478

## Colors that go with #6f3f78

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #6f3f78 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #6f3f78: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Harbour (https://brandsweets.com/palettes/cool#harbour), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #6f3f78 in 5 real palettes, including Console Light and Wayfair's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #6f3f78 in 7 real palettes, including Blush and Dusk, as that palette's text colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Dusk (https://brandsweets.com/palettes/cool#dusk), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6f3f78: 3 real palettes, including Hinge's brand system and HP's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-com), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lufthansa's brand system and First Snow put Midnight Blue beside #6f3f78, as the lead colour. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/midnightblue
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #6f3f78: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Dark Olive Green** #556b2f [harmony: split] — Dark Olive Green is a split-complement of #6f3f78: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 7.9:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9d5ba9 (4.5:1); AA: background → #c4c4c4 (4.53:1); AAA: text → #b787c0 (7.24:1); AAA: background → #f2f2f2 (7.06:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/6f3f78-bf9fc1-a4cb62-2d1f29-ece9f1?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: "#6f3f78" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.