# #5b337a

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

## Values

- Hex: `#5b337a`
- RGB: rgb(91, 51, 122)
- HSL: hsl(274, 41%, 34%)
- OKLCH: oklch(0.405 0.12 307.9)
- Relative luminance: 0.06
- Nearest named color: Imperial (#602f6b, Δ 2.744) — https://brandsweets.com/colors/imperial
- Moods: cool, modern
- Page: https://brandsweets.com/colors/5b337a

## Tints & shades

- Tints (toward white): #6c3c90, #7e47a9, #8e56b8, #9f6fc3, #ad85cc, #bc9ad5, #ccb3df, #dbc9e8, #ece2f3, #faf8fc
- Shades (toward black): #532f6f, #4b2a65, #43265a, #3b214f, #331d44, #2b183a, #23142f, #1b0f24, #130b19, #0b060e

## Harmonies

- Complementary: #527a33
- Analogous: #38337a, #7a3376
- Triadic: #7a5b33, #337a5b
- Split-complementary: #767a33, #337a38
- Tetradic: #7a3833, #527a33, #33767a

## Colors that go with #5b337a

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 #5b337a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #5b337a in 6 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5b337a: 6 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), HP (https://brandsweets.com/colors/brands/hp-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #5b337a, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #5b337a in 5 real palettes, including Wayfair's brand system and Nokia's brand system, as the supporting colour. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #5b337a: 4 real palettes, including FedEx's brand system and Auth0's brand system, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #5b337a in 4 real palettes, including Datadog's brand system and Dusk, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Gillette (https://brandsweets.com/colors/brands/gillette-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #5b337a 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/darkolivegreen

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

- On white (#ffffff): 9.55:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #935dbb (4.52:1); AA: background → #b3b3b3 (4.55:1); AAA: text → #ad85cc (7:1); AAA: background → #dedede (7.1:1)

## 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/5b337a-b79cc4-c2cb62-2d1f2d-eae9f1?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: "#5b337a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.