# #5b315e

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

## Values

- Hex: `#5b315e`
- RGB: rgb(91, 49, 94)
- HSL: hsl(296, 31%, 28%)
- OKLCH: oklch(0.385 0.09 324.7)
- Relative luminance: 0.0523
- Nearest named color: Long Passionate Night (#5b365e, Δ 1.329) — https://brandsweets.com/colors/long-passionate-night
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/5b315e

## Tints & shades

- Tints (toward white): #713e75, #884a8c, #9f56a4, #ad6cb2, #ba83be, #c79bca, #d4b2d7, #e1cae3, #eee1ef, #fbf8fb
- Shades (toward black): #542e57, #4a284d, #442546, #3a203c, #341c35, #2d192f, #241325, #1d101e, #130b14, #0d070d

## Harmonies

- Complementary: #345e31
- Analogous: #44315e, #5e314a
- Triadic: #5e5b31, #315e5b
- Split-complementary: #4a5e31, #315e44
- Tetradic: #5e4431, #345e31, #314a5e

## Colors that go with #5b315e

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #5b315e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #5b315e in 7 real palettes, including Lenovo's brand system and Marvel's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5b315e: 8 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. 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), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Microsoft's brand system and Tide Pool put Midnight Blue beside #5b315e, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), First Snow (https://brandsweets.com/palettes/cool#first-snow), Volkswagen (https://brandsweets.com/colors/brands/vw-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #5b315e: 6 real palettes, including Macaron and Nursery, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #5b315e in 4 real palettes, including Console Light and Zoom's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Sky Blue** #87ceeb [pool] — Sky Blue is paired with #5b315e in 4 real palettes, including Harbour and Boeing's brand system, as the supporting colour. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Boeing (https://brandsweets.com/colors/brands/boeing-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Raycast (https://brandsweets.com/colors/brands/raycast). — https://brandsweets.com/colors/skyblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #5b315e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 10.27:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.05:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a45ba9 (4.65:1); AA: background → #adadad (4.57:1); AAA: text → #ba83be (7.08:1); AAA: background → #d6d6d6 (7.06:1)

## Fonts for this mood

- 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/5b315e-c19fbf-9ccb62-2d1f28-ede9f1?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: "#5b315e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.