# #733fe4

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

## Values

- Hex: `#733fe4`
- RGB: rgb(115, 63, 228)
- HSL: hsl(259, 75%, 57%)
- OKLCH: oklch(0.53 0.232 290.7)
- Relative luminance: 0.128
- Nearest named color: Hokkaido Lavender (#7736d9, Δ 2.395) — https://brandsweets.com/colors/hokkaido-lavender
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/733fe4

## Tints & shades

- Tints (toward white): #8051e6, #8d63e9, #9a75eb, #a787ee, #b79df1, #c4aff4, #d1c1f6, #ded2f9, #ebe4fb, #f8f6fe
- Shades (toward black): #6329e0, #551dcd, #4c1ab7, #4317a1, #39148a, #2e1070, #250d59, #1c0a43, #110628, #070312

## Harmonies

- Complementary: #b0e43f
- Analogous: #3f5de4, #c53fe4
- Triadic: #e4733f, #3fe473
- Split-complementary: #e4c53f, #5de43f
- Tetradic: #e43f5d, #b0e43f, #3fe4c5

## Colors that go with #733fe4

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 #733fe4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Docker (https://brandsweets.com/colors/brands/docker-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #733fe4 in 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Wikipedia's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Signal's brand system and Zillow's brand system put Blue beside #733fe4, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Zillow (https://brandsweets.com/colors/brands/zillow-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #733fe4 in 6 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), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #733fe4: 4 real palettes, including Linkedin's brand system and Fivetran blue's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/denim
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #733fe4 in 4 real palettes, including Calm's brand system and Sentry's brand system, as the supporting colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Sentry (https://brandsweets.com/colors/brands/sentry-io), Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com). — https://brandsweets.com/colors/lightskyblue
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #733fe4, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Discord (https://brandsweets.com/colors/brands/discord), Kraken (https://brandsweets.com/colors/brands/kraken-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #733fe4'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), Walmart (https://brandsweets.com/colors/brands/walmart-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 5.9:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6329e0 (7.18:1)
- On black (#000000): 3.56:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #875ae7 (4.65:1); AA: background → #e3e3e3 (4.6:1); AAA: text → #a787ee (7.34:1)

## Brands using this color

- **Klarna US** — accent #7039e2 (Δ 1.222) — https://brandsweets.com/colors/brands/klarna-com

## 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/733fe4-ad9cc4-dfc74e-2a1f2d-e9ebf1?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: "#733fe4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.