# #cb21ed

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

## Values

- Hex: `#cb21ed`
- RGB: rgb(203, 33, 237)
- HSL: hsl(290, 85%, 53%)
- OKLCH: oklch(0.622 0.283 319.7)
- Relative luminance: 0.199
- Nearest named color: Flirtatious Flamingo (#cc22ff, Δ 2.692) — https://brandsweets.com/colors/flirtatious-flamingo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/cb21ed

## Tints & shades

- Tints (toward white): #d139ef, #d54cf0, #db63f2, #df76f4, #e48ef6, #e9a1f7, #eeb8f9, #f3cbfb, #f8e3fd, #fdf6fe
- Shades (toward black): #c012e2, #ac10cb, #980fb3, #840d9c, #740b89, #600971, #4c075a, #380542, #24032a, #100213

## Harmonies

- Complementary: #43ed21
- Analogous: #6521ed, #ed21a9
- Triadic: #edcb21, #21edcb
- Split-complementary: #a9ed21, #21ed65
- Tetradic: #ed6521, #43ed21, #21a9ed

## Colors that go with #cb21ed

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 #cb21ed 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 #cb21ed: 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 #cb21ed: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Medium Slate Blue** #7b68ee [harmony, pool: analogous] — Medium Slate Blue is #cb21ed'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
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #cb21ed: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Dark Goldenrod** #b8860b [harmony: triadic] — Dark Goldenrod completes a triad with #cb21ed — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/darkgoldenrod
- **Dark Cyan** #008b8b [harmony: triadic] — Dark Cyan completes a triad with #cb21ed — 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 #cb21ed 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): 4.22:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c413e7 (4.57:1); AA: background → #0f0f0f (4.55:1); AAA: text → #940eaf (7.14:1)
- On black (#000000): 4.98:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #db63f2 (7.08:1)

## 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/cb21ed-bf9fc1-a6cb62-2d1f29-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: "#cb21ed" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.