# #d21fff

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

## Values

- Hex: `#d21fff`
- RGB: rgb(210, 31, 255)
- HSL: hsl(288, 100%, 56%)
- OKLCH: oklch(0.643 0.299 317.6)
- Relative luminance: 0.219
- Nearest named color: Flirtatious Flamingo (#cc22ff, Δ 1.15) — https://brandsweets.com/colors/flirtatious-flamingo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/d21fff

## Tints & shades

- Tints (toward white): #d633ff, #da47ff, #df61ff, #e375ff, #e88aff, #ec9eff, #f0b3ff, #f5ccff, #f9e0ff, #fdf5ff
- Shades (toward black): #cd05ff, #bc00eb, #a300cc, #8f00b3, #7a0099, #660080, #520066, #390047, #25002e, #100014

## Harmonies

- Complementary: #4bff1f
- Analogous: #621fff, #ff1fbc
- Triadic: #ffd21f, #1fffd2
- Split-complementary: #bcff1f, #1fff62
- Tetradic: #ff621f, #4bff1f, #1fbcff

## Colors that go with #d21fff

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 #d21fff 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 #d21fff: 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
- **Medium Sea Green** #3cb371 [harmony: split] — Medium Sea Green is a split-complement of #d21fff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumseagreen
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #d21fff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Cadet Blue** #5f9ea0 [harmony: triadic] — Cadet Blue completes a triad with #d21fff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cadetblue
- **Crimson** #dc143c [pool] — Crimson is paired with #d21fff in Snyk's brand system, as the lead colour. Seen in: Snyk (https://brandsweets.com/colors/brands/snyk-io). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #d21fff: Hasbro's brand system, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Indigo** #4b0082 [pool] — Indigo shows up next to #d21fff in Taco Bell's brand system, as the lead colour. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/indigo

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

- On white (#ffffff): 3.9:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c400f5 (4.5:1); AA: background → #171717 (4.59:1); AAA: text → #9300b8 (7.16:1)
- On black (#000000): 5.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #de5cff (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/d21fff-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: "#d21fff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.