# #c81bf3

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

## Values

- Hex: `#c81bf3`
- RGB: rgb(200, 27, 243)
- HSL: hsl(288, 90%, 53%)
- OKLCH: oklch(0.619 0.289 317.6)
- Relative luminance: 0.1953
- Nearest named color: Flirtatious Flamingo (#cc22ff, Δ 1.989) — https://brandsweets.com/colors/flirtatious-flamingo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/c81bf3

## Tints & shades

- Tints (toward white): #ce34f4, #d247f5, #d85ff7, #dd72f8, #e38bf9, #e89efa, #edb6fb, #f2cafc, #f8e2fd, #fdf5fe
- Shades (toward black): #bc0ce9, #a90bd0, #950ab8, #8208a0, #72078d, #5e0674, #4b055c, #370444, #23022c, #100113

## Harmonies

- Complementary: #46f31b
- Analogous: #5c1bf3, #f31bb2
- Triadic: #f3c81b, #1bf3c8
- Split-complementary: #b2f31b, #1bf35c
- Tetradic: #f35c1b, #46f31b, #1bb2f3

## Colors that go with #c81bf3

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

- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #c81bf3 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/olivedrab
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #c81bf3: 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
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #c81bf3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #c81bf3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Medium Slate Blue** #7b68ee [harmony, pool: analogous] — Medium Slate Blue is #c81bf3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Copper** #b87333 [harmony: triadic] — Copper completes a triad with #c81bf3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/copper
- **Dark Cyan** #008b8b [harmony: triadic] — Dark Cyan completes a triad with #c81bf3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/darkcyan
- **Crimson** #dc143c [pool] — Crimson is paired with #c81bf3 in Snyk's brand system, as the lead colour. Seen in: Snyk (https://brandsweets.com/colors/brands/snyk-io). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 4.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c00ced (4.65:1); AA: background → #0d0d0d (4.54:1); AAA: text → #9109b3 (7.26:1)
- On black (#000000): 4.91:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #d964f7 (7.12:1)

## 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/c81bf3-be9fc1-aacb62-2d1f2a-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: "#c81bf3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.