# #9937fb

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

## Values

- Hex: `#9937fb`
- RGB: rgb(153, 55, 251)
- HSL: hsl(270, 96%, 60%)
- OKLCH: oklch(0.582 0.266 300.7)
- Relative luminance: 0.1647
- Nearest named color: Cosmic Heart (#9601f4, Δ 4.249) — https://brandsweets.com/colors/cosmic-heart
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/9937fb

## Tints & shades

- Tints (toward white): #a34bfb, #ad5ffc, #b56efc, #bf82fc, #c996fd, #d4aafd, #debefe, #e6cdfe, #f0e1fe, #faf5ff
- Shades (toward black): #8a19fa, #7d05f5, #6e04d7, #6104be, #5203a0, #420382, #360269, #26024b, #1a0132, #0a0014

## Harmonies

- Complementary: #99fb37
- Analogous: #3737fb, #fb37fb
- Triadic: #fb9937, #37fb99
- Split-complementary: #fbfb37, #37fb37
- Tetradic: #fb3737, #99fb37, #37fbfb

## Colors that go with #9937fb

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #9937fb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Stripe (https://brandsweets.com/colors/brands/stripe), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #9937fb 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/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #9937fb: 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
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #9937fb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #9937fb: two real palettes: Render's brand system and Calm's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #9937fb: two real palettes: Linkedin's brand system and Hasbro's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #9937fb in two real palettes: Taco Bell's brand system and Circuit, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/lightseagreen
- **Taupe** #483c32 [pool] — Taupe is paired with #9937fb in two real palettes: Obsidian's brand system and Loom's brand system, as that palette's text colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 4.89:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7505e6 (7.19:1)
- On black (#000000): 4.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9e41fb (4.6:1); AA: background → #f7f7f7 (4.57:1); AAA: text → #ba78fc (7.18:1)

## Brands using this color

- **Twitch** — primary #9444fc (Δ 1.936) — https://brandsweets.com/colors/brands/twitch-tv

## 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/9937fb-b59cc4-c9cb62-2c1f2d-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: "#9937fb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.