# #783fd9

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

## Values

- Hex: `#783fd9`
- RGB: rgb(120, 63, 217)
- HSL: hsl(262, 67%, 55%)
- OKLCH: oklch(0.526 0.22 294.5)
- Relative luminance: 0.1256
- Nearest named color: Hokkaido Lavender (#7736d9, Δ 1.494) — https://brandsweets.com/colors/hokkaido-lavender
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/783fd9

## Tints & shades

- Tints (toward white): #8450dc, #9366e1, #9f77e4, #ab88e7, #ba9dec, #c6aeef, #d2bff2, #ded0f6, #ede5fa, #f9f6fd
- Shades (toward black): #692ad5, #5e26c0, #5422aa, #491d95, #3f1980, #321466, #281051, #1d0c3c, #130826, #080311

## Harmonies

- Complementary: #a1d93f
- Analogous: #3f54d9, #c53fd9
- Triadic: #d9783f, #3fd978
- Split-complementary: #d9c53f, #54d93f
- Tetradic: #d93f54, #a1d93f, #3fd9c5

## Colors that go with #783fd9

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 #783fd9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #783fd9'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), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #783fd9: 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), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #783fd9 in 5 real palettes, including Gemstone and Marvel's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Kraken's brand system and Lavender Haze put Midnight Blue beside #783fd9, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Discord (https://brandsweets.com/colors/brands/discord), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #783fd9 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), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Nikon (https://brandsweets.com/colors/brands/nikon-com). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #783fd9 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
- **Amber** #ffbf00 [pool] — Amber is paired with #783fd9 in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Warner Bros.'s brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber

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

- On white (#ffffff): 5.98:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6c2ed6 (7:1)
- On black (#000000): 3.51:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8a59de (4.56:1); AA: background → #e0e0e0 (4.53:1); AAA: text → #a884e7 (7.12:1)

## 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/783fd9-af9cc4-dfce4e-2a1f2d-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: "#783fd9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.