# #5b41dc

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

## Values

- Hex: `#5b41dc`
- RGB: rgb(91, 65, 220)
- HSL: hsl(250, 69%, 56%)
- OKLCH: oklch(0.504 0.222 282.6)
- Relative luminance: 0.1117
- Nearest named color: Blurple (#5539cc, Δ 3.197) — https://brandsweets.com/colors/blurple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5b41dc

## Tints & shades

- Tints (toward white): #6a53df, #7964e3, #8c79e6, #9a8bea, #a99ced, #b8adf0, #c7bef3, #dad4f7, #e9e5fa, #f8f6fd
- Shades (toward black): #492cd8, #3f24c6, #3720ac, #301c97, #291881, #22146c, #1c1056, #130b3c, #0c0727, #060311

## Harmonies

- Complementary: #c2dc41
- Analogous: #4175dc, #a941dc
- Triadic: #dc5b41, #41dc5b
- Split-complementary: #dca941, #75dc41
- Tetradic: #dc4175, #c2dc41, #41dca9

## Colors that go with #5b41dc

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 #5b41dc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #5b41dc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: 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), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #5b41dc in 5 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), 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
- **Blue** #0000ff [pool] — 5 real palettes, including Signal's brand system and Headspace's brand system put Blue beside #5b41dc, 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 #5b41dc: 8 real palettes, including Warbyparker's brand system and NHL's brand system, as the supporting colour. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Oreo (https://brandsweets.com/colors/brands/oreo-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #5b41dc: 8 real palettes, including Roblox's brand system and Qualcomm's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #5b41dc in 13 real palettes, including Gemstone and Netflix's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #5b41dc: 5 real palettes, including Kraken's brand system and Calm's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Calm (https://brandsweets.com/colors/brands/calm-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Render (https://brandsweets.com/colors/brands/render-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 6.49:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5439db (7.03:1)
- On black (#000000): 3.23:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7560e2 (4.53:1); AA: background → #d9d9d9 (4.6:1); AAA: text → #9a8bea (7.26:1)

## 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/5b41dc-a79cc4-dfb14e-281f2d-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: "#5b41dc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.