# #9663bb

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

## Values

- Hex: `#9663bb`
- RGB: rgb(150, 99, 187)
- HSL: hsl(275, 39%, 56%)
- OKLCH: oklch(0.59 0.139 309.5)
- Relative luminance: 0.19
- Nearest named color: Lusty Lavender (#8d5eb7, Δ 2.114) — https://brandsweets.com/colors/lusty-lavender
- Moods: cool, modern
- Page: https://brandsweets.com/colors/9663bb

## Tints & shades

- Tints (toward white): #a071c1, #a97fc7, #b591cf, #bf9fd5, #c8addb, #d2bce1, #dbcae8, #e7dcef, #f1eaf6, #faf8fc
- Shades (toward black): #8a51b3, #7d48a3, #6d3e8e, #5f367c, #512f6a, #442759, #361f47, #261632, #180e20, #0b060e

## Harmonies

- Complementary: #88bb63
- Analogous: #6a63bb, #bb63b3
- Triadic: #bb9663, #63bb96
- Split-complementary: #b3bb63, #63bb6a
- Tetradic: #bb6a63, #88bb63, #63b3bb

## Colors that go with #9663bb

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #9663bb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #9663bb in 4 real palettes, including Superhuman's brand system and Obsidian's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Zed (https://brandsweets.com/colors/brands/zed-dev), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/taupe
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #9663bb 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #9663bb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Marvel's brand system and Lavender Haze put Midnight Blue beside #9663bb, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Tomato** #ff6347 [pool] — 3 real palettes, including GitLab's brand system and Sunset Boulevard put Tomato beside #9663bb, as the lead colour. Seen in: GitLab (https://brandsweets.com/colors/brands/gitlab), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #9663bb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #9663bb in two real palettes: Klarna US's brand system and ClickUp's brand system, as the accent. Seen in: Klarna US (https://brandsweets.com/colors/brands/klarna-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 4.38:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #945fb9 (4.57:1); AA: background → #0a0a0a (4.52:1); AAA: text → #724195 (7.23:1)
- On black (#000000): 4.8:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ae86ca (7.06:1)

## Brands using this color

- **Next.js** — primary #9162c0 (Δ 1.249) — https://brandsweets.com/colors/brands/nextjs-org
- **Next.js** — accent #9162c0 (Δ 1.249) — https://brandsweets.com/colors/brands/nextjs-org

## Fonts for this mood

- 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/9663bb-b89cc4-c0cb62-2d1f2d-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: "#9663bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.