# #5a3ff3

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

## Values

- Hex: `#5a3ff3`
- RGB: rgb(90, 63, 243)
- HSL: hsl(249, 88%, 60%)
- OKLCH: oklch(0.522 0.251 280)
- Relative luminance: 0.122
- Nearest named color: Meteor Shower (#5533ff, Δ 2.568) — https://brandsweets.com/colors/meteor-shower
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5a3ff3

## Tints & shades

- Tints (toward white): #6b52f4, #7b66f5, #8774f6, #9887f7, #a89af9, #b9aefa, #c9c1fb, #d6cffc, #e6e2fd, #f7f5fe
- Shades (toward black): #4122f1, #300feb, #2a0dce, #250cb6, #1f0a99, #19087d, #150665, #0f0548, #0a0330, #040113

## Harmonies

- Complementary: #d8f33f
- Analogous: #3f7ef3, #b43ff3
- Triadic: #f35a3f, #3ff35a
- Split-complementary: #f3b43f, #7ef33f
- Tetradic: #f33f7e, #d8f33f, #3ff3b4

## Colors that go with #5a3ff3

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 #5a3ff3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Campus (https://brandsweets.com/palettes/friendly#campus), Zoom (https://brandsweets.com/colors/brands/zoom-us), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: analogous] — Denim is #5a3ff3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Chase (https://brandsweets.com/colors/brands/chase-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/denim
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #5a3ff3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #5a3ff3 in 5 real palettes, including Mastodon hosted on mastodon.social's brand system and Walmart's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Signal's brand system and Headspace's brand system put Blue beside #5a3ff3, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Headspace (https://brandsweets.com/colors/brands/headspace-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #5a3ff3: 9 real palettes, including NHL's brand system and Nokia's brand system, as the accent. Seen in: NHL (https://brandsweets.com/colors/brands/nhl-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #5a3ff3: 7 real palettes, including Roblox's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #5a3ff3 in 9 real palettes, including Coinbase's brand system and Toyota's brand system. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Chase (https://brandsweets.com/colors/brands/chase-com), WWE (https://brandsweets.com/colors/brands/wwe-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 6.1:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4a2cf2 (7.16:1)
- On black (#000000): 3.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #735cf5 (4.58:1); AA: background → #dedede (4.54:1); AAA: text → #9887f7 (7.14:1)

## 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/5a3ff3-a79cc4-dfae4e-271f2d-e9ecf1?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: "#5a3ff3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.