# #811daf

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

## Values

- Hex: `#811daf`
- RGB: rgb(129, 29, 175)
- HSL: hsl(281, 72%, 40%)
- OKLCH: oklch(0.47 0.214 311.6)
- Relative luminance: 0.0864
- Nearest named color: Fuchsia Nebula (#7722aa, Δ 2.123) — https://brandsweets.com/colors/fuchsia-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/811daf

## Tints & shades

- Tints (toward white): #9421ca, #a52cdd, #ae42e0, #ba5de5, #c577e9, #d091ed, #dbacf1, #e5c2f5, #f0dcf9, #fbf6fe
- Shades (toward black): #741a9e, #6a1891, #5d157f, #541372, #471060, #3a0d4f, #300b42, #230830, #1a0623, #0d0312

## Harmonies

- Complementary: #4baf1d
- Analogous: #371daf, #af1d95
- Triadic: #af811d, #1daf81
- Split-complementary: #95af1d, #1daf37
- Tetradic: #af371d, #4baf1d, #1d95af

## Colors that go with #811daf

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

- **Denim** #1560bd [pool] — Designers have shipped Denim with #811daf: 4 real palettes, including Slack's brand system and Peacock, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #811daf 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/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #811daf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #811daf in 3 real palettes, including Gemstone and Wells Fargo's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #811daf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #811daf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #811daf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #811daf in two real palettes: Circuit and Taco Bell's brand system, as the accent. Seen in: Circuit (https://brandsweets.com/palettes/technical#circuit), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 7.7:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.73:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ac3ee0 (4.52:1); AA: background → #c7c7c7 (4.55:1); AAA: text → #c577e9 (7.19:1); AAA: background → #f5f5f5 (7.06:1)

## 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/811daf-ba9fc1-b6cb62-2d1f2c-ebe9f1?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: "#811daf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.