# #781fff

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

## Values

- Hex: `#781fff`
- RGB: rgb(120, 31, 255)
- HSL: hsl(264, 100%, 56%)
- OKLCH: oklch(0.532 0.283 290.5)
- Relative luminance: 0.1219
- Nearest named color: Poisoning Purple (#7f01fe, Δ 1.884) — https://brandsweets.com/colors/poisoning-purple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/781fff

## Tints & shades

- Tints (toward white): #8533ff, #9147ff, #a061ff, #ac75ff, #b98aff, #c59eff, #d1b3ff, #e0ccff, #ede0ff, #f9f5ff
- Shades (toward black): #6905ff, #5e00eb, #5200cc, #4700b3, #3d0099, #330080, #290066, #1d0047, #12002e, #080014

## Harmonies

- Complementary: #a5ff1f
- Analogous: #1f35ff, #e91fff
- Triadic: #ff781f, #1fff78
- Split-complementary: #ffe91f, #35ff1f
- Tetradic: #ff1f35, #a5ff1f, #1fffe9

## Colors that go with #781fff

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

- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #781fff 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #781fff: 3 real palettes, including Render's brand system and Calm's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Calm (https://brandsweets.com/colors/brands/calm-com), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/deepskyblue
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #781fff in 3 real palettes, including ClickUp's brand system and Stripe's brand system, as the supporting colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Stripe (https://brandsweets.com/colors/brands/stripe), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lavender Haze and Kraken's brand system put Midnight Blue beside #781fff, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Kraken (https://brandsweets.com/colors/brands/kraken-com), Discord (https://brandsweets.com/colors/brands/discord). — https://brandsweets.com/colors/midnightblue
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #781fff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #781fff'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). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #781fff: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #781fff: two real palettes: Mastodon hosted on mastodon.social's brand system and Roblox's brand system, as the supporting colour. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 6.11:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6400fa (7.19:1)
- On black (#000000): 3.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9147ff (4.55:1); AA: background → #dedede (4.54:1); AAA: text → #af7aff (7.05:1)

## Brands using this color

- **ClickUp** — primary #7612fa (Δ 1.336) — https://brandsweets.com/colors/brands/clickup-com
- **ClickUp** — accent #7612fa (Δ 1.336) — https://brandsweets.com/colors/brands/clickup-com
- **Yahoo** — secondary #7d2eff (Δ 1.808) — https://brandsweets.com/colors/brands/yahoo-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/781fff-b19cc4-dfd34e-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: "#781fff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.