# #512d71

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

## Values

- Hex: `#512d71`
- RGB: rgb(81, 45, 113)
- HSL: hsl(272, 43%, 31%)
- OKLCH: oklch(0.377 0.115 306)
- Relative luminance: 0.0482
- Nearest named color: Her Highness (#432e6f, Δ 2.721) — https://brandsweets.com/colors/her-highness
- Moods: cool, modern
- Page: https://brandsweets.com/colors/512d71

## Tints & shades

- Tints (toward white): #64378b, #7340a0, #864cb8, #9766c2, #a87fcc, #b795d5, #c9afdf, #dac8e9, #e9def2, #faf8fc
- Shades (toward black): #492966, #44265f, #3c2154, #341d49, #2f1a42, #271637, #1f112c, #180d21, #120a1a, #0a060f

## Harmonies

- Complementary: #4d712d
- Analogous: #2f2d71, #712d6f
- Triadic: #71512d, #2d7151
- Split-complementary: #6f712d, #2d712f
- Tetradic: #712f2d, #4d712d, #2d6f71

## Colors that go with #512d71

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 #512d71: 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), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #512d71 in 8 real palettes, including Marvel's brand system and Casper Sleep's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #512d71: 7 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), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Microsoft's brand system and Gillette's brand system put Midnight Blue beside #512d71, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Gillette (https://brandsweets.com/colors/brands/gillette-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #512d71 in 4 real palettes, including Tumblr's brand system and Tide's brand system, as the accent. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Audi (https://brandsweets.com/colors/brands/audi-com). — https://brandsweets.com/colors/orangered
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #512d71: 5 real palettes, including First Snow and Macaron, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Macaron (https://brandsweets.com/palettes/light#macaron), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #512d71 in 6 real palettes, including Confluent's brand system and Zoom's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Zoom (https://brandsweets.com/colors/brands/zoom-us), Nokia (https://brandsweets.com/colors/brands/nokia-com), Discord (https://brandsweets.com/colors/brands/discord). — https://brandsweets.com/colors/royalblue
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #512d71 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): 10.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.96:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #925fbf (4.61:1); AA: background → #ababab (4.66:1); AAA: text → #ad87cf (7.14:1); AAA: background → #d1d1d1 (7:1)

## 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/512d71-b69cc4-c5cb62-2d1f2d-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: "#512d71" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.