# #6541aa

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

## Values

- Hex: `#6541aa`
- RGB: rgb(101, 65, 170)
- HSL: hsl(261, 45%, 46%)
- OKLCH: oklch(0.472 0.161 295.4)
- Relative luminance: 0.0945
- Nearest named color: rebeccapurple (#663399, Δ 3.915) — https://brandsweets.com/colors/rebeccapurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/6541aa

## Tints & shades

- Tints (toward white): #714aba, #805cc1, #9172ca, #9f85d1, #ae97d8, #bcaadf, #cbbce6, #dcd3ee, #ebe5f5, #f9f8fc
- Shades (toward black): #5d3b9b, #54358d, #492e7a, #40296b, #37235c, #2e1d4e, #25183f, #1a112c, #120b1e, #09060f

## Harmonies

- Complementary: #85aa41
- Analogous: #4150aa, #9a41aa
- Triadic: #aa6541, #41aa65
- Split-complementary: #aa9a41, #50aa41
- Tetradic: #aa4150, #85aa41, #41aa9a

## Colors that go with #6541aa

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 #6541aa: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #6541aa's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #6541aa: 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), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 4 real palettes, including Zillow's brand system and Pixar's brand system put Blue beside #6541aa, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #6541aa in 9 real palettes, including Wells Fargo's brand system and Gemstone, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6541aa: 11 real palettes, including Linkedin's brand system and Slack's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Slack (https://brandsweets.com/colors/brands/slack-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #6541aa: 4 real palettes, including Datadog's brand system and Campbell's's brand system, as the accent. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com). — https://brandsweets.com/colors/firebrick
- **Midnight Blue** #191970 [pool] — 14 real palettes, including Kraken's brand system and Paramount+'s brand system put Midnight Blue beside #6541aa, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 7.27:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8564c4 (4.62:1); AA: background → #cccccc (4.52:1); AAA: text → #a289d2 (7.05:1); AAA: background → #fcfcfc (7.08:1)

## Fonts for this mood

- 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/6541aa-af9cc4-dfcb4e-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: "#6541aa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.