# #c381ef

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

## Values

- Hex: `#c381ef`
- RGB: rgb(195, 129, 239)
- HSL: hsl(276, 77%, 72%)
- OKLCH: oklch(0.713 0.167 310.5)
- Relative luminance: 0.3353
- Nearest named color: Illicit Purple (#bf77f6, Δ 2.808) — https://brandsweets.com/colors/illicit-purple
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/c381ef

## Tints & shades

- Tints (toward white): #c98ef0, #cd97f2, #d4a5f3, #d8aef4, #dfbbf6, #e5c9f8, #e9d2f9, #f0dffb, #f4e8fc, #fbf6fe
- Shades (toward black): #b361ea, #a441e6, #9726e3, #841acb, #7016ac, #5b128c, #470e6c, #350b51, #200632, #0c0212

## Harmonies

- Complementary: #adef81
- Analogous: #8c81ef, #ef81e4
- Triadic: #efc381, #81efc3
- Split-complementary: #e4ef81, #81ef8c
- Tetradic: #ef8c81, #adef81, #81e4ef

## Colors that go with #c381ef

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

- **Emerald Green** #50c878 [harmony, pool: complementary] — Emerald Green sits directly opposite #c381ef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Amber** #ffbf00 [pool] — Amber is paired with #c381ef in 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Ahrefs's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/amber
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #c381ef: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #c381ef: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com). — https://brandsweets.com/colors/charcoal
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #c381ef in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/mediumslateblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #c381ef in 3 real palettes, including Loom's brand system and Sephora's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Light Sea Green** #20b2aa [harmony, pool: triadic] — Light Sea Green completes a triad with #c381ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightseagreen
- **Goldenrod** #daa520 [harmony: split] — Goldenrod is a split-complement of #c381ef: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 2.72:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a441e6 (4.69:1); AA: background → #333333 (4.64:1); AAA: text → #841acb (7.02:1); AAA: background → #0f0f0f (7.03:1)
- On black (#000000): 7.71:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/c381ef-b99cc4-bfcb62-2d1f2d-eae9f1?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: "#c381ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.