# #a663fd

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

## Values

- Hex: `#a663fd`
- RGB: rgb(166, 99, 253)
- HSL: hsl(266, 97%, 69%)
- OKLCH: oklch(0.647 0.22 300.4)
- Relative luminance: 0.2412
- Nearest named color: Orion Nebula (#a55af4, Δ 2.154) — https://brandsweets.com/colors/orion-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a663fd

## Tints & shades

- Tints (toward white): #ae72fd, #b781fd, #c090fd, #c8a0fe, #d1affe, #d7b9fe, #dfc8fe, #e8d7fe, #f1e6ff, #f9f5ff
- Shades (toward black): #9445fc, #8022fc, #6f04fb, #5f03d8, #5203ba, #430297, #350279, #260155, #180137, #090014

## Harmonies

- Complementary: #bafd63
- Analogous: #636dfd, #f263fd
- Triadic: #fda663, #63fda6
- Split-complementary: #fdf263, #6dfd63
- Tetradic: #fd636d, #bafd63, #63fdf2

## Colors that go with #a663fd

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 #a663fd 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
- **Light Sea Green** #20b2aa [harmony, pool: triadic] — Light Sea Green completes a triad with #a663fd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/lightseagreen
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a663fd in 3 real palettes, including Loom's brand system and Stripe's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Stripe (https://brandsweets.com/colors/brands/stripe), Yahoo (https://brandsweets.com/colors/brands/yahoo-com). — https://brandsweets.com/colors/royalblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #a663fd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Medium Sea Green** #3cb371 [harmony: split] — Medium Sea Green is a split-complement of #a663fd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #a663fd in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #a663fd: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #a663fd: two real palettes: Blueprint and Calm's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.61:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9445fc (4.65:1); AA: background → #1f1f1f (4.57:1); AAA: text → #6d04f6 (7:1)
- On black (#000000): 5.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b47cfd (7.24:1)

## 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/a663fd-b29cc4-dfd74e-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: "#a663fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.