# #791fa3

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

## Values

- Hex: `#791fa3`
- RGB: rgb(121, 31, 163)
- HSL: hsl(281, 68%, 38%)
- OKLCH: oklch(0.451 0.199 311.8)
- Relative luminance: 0.0769
- Nearest named color: Fuchsia Nebula (#7722aa, Δ 1.291) — https://brandsweets.com/colors/fuchsia-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/791fa3

## Tints & shades

- Tints (toward white): #8c24bc, #9f29d6, #ab43db, #b65ce0, #c276e5, #cd90ea, #d9a9ef, #e4c3f4, #f0ddf8, #fbf6fd
- Shades (toward black): #701d96, #631985, #591778, #4c1467, #43115a, #390f4d, #2d0b3c, #23092f, #16061e, #0d0311

## Harmonies

- Complementary: #49a31f
- Analogous: #371fa3, #a31f8b
- Triadic: #a3791f, #1fa379
- Split-complementary: #8ba31f, #1fa337
- Tetradic: #a3371f, #49a31f, #1f8ba3

## Colors that go with #791fa3

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 #791fa3: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #791fa3 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 #791fa3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #791fa3 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 #791fa3 — 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 #791fa3: 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 #791fa3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #791fa3 in two real palettes: Twitch's brand system and Taco Bell's brand system, as the lead colour. Seen in: Twitch (https://brandsweets.com/colors/brands/twitch-tv), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 8.27:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.54:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ab43db (4.56:1); AA: background → #c2c2c2 (4.65:1); AAA: text → #c276e5 (7.02:1); AAA: background → #ededed (7.07:1)

## Brands using this color

- **Wayfair** — accent #7b189f (Δ 1.08) — https://brandsweets.com/colors/brands/wayfair-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/791fa3-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: "#791fa3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.