# #5b016b

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

## Values

- Hex: `#5b016b`
- RGB: rgb(91, 1, 107)
- HSL: hsl(291, 98%, 21%)
- OKLCH: oklch(0.343 0.164 320.2)
- Relative luminance: 0.0331
- Nearest named color: Cloak and Dagger (#550055, Δ 3.997) — https://brandsweets.com/colors/cloak-and-dagger
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/5b016b

## Tints & shades

- Tints (toward white): #7d0192, #9b02b6, #bd02de, #d90dfd, #df35fd, #e558fd, #eb81fe, #f1a9fe, #f7cdfe, #fdf5ff
- Shades (toward black): #520160, #4d015b, #450151, #3c0147, #380142, #2f0138, #27002d, #1e0023, #1a001e, #110014

## Harmonies

- Complementary: #116a01
- Analogous: #26016a, #6a0145
- Triadic: #6a5a01, #016a5a
- Split-complementary: #456a01, #016a26
- Tetradic: #6a2601, #116a01, #01456a

## Colors that go with #5b016b

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #5b016b 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/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #5b016b: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [pool] — 3 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #5b016b, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #5b016b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #5b016b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #5b016b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5b016b: two real palettes: 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). — https://brandsweets.com/colors/denim
- **Mauve** #e0b0ff [pool] — Mauve shows up next to #5b016b in two real palettes: Ledger's brand system and Lavender Haze, as the accent. Seen in: Ledger (https://brandsweets.com/colors/brands/ledger-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/mauve

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

- On white (#ffffff): 12.64:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #c602e8 (4.58:1); AA: background → #9c9c9c (4.6:1); AAA: text → #e558fd (7.15:1); AAA: background → #c2c2c2 (7.1:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5b016b-bf9fc1-a4cb62-2d1f29-ece9f1?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: "#5b016b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.