# #b577d4

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

## Values

- Hex: `#b577d4`
- RGB: rgb(181, 119, 212)
- HSL: hsl(280, 52%, 65%)
- OKLCH: oklch(0.669 0.147 313.6)
- Relative luminance: 0.2777
- Nearest named color: Lavender (#b56edc, Δ 2.609) — https://brandsweets.com/colors/lavender-2
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b577d4

## Tints & shades

- Tints (toward white): #bc83d8, #c492dd, #ca9ee0, #d1aae4, #d9b9e9, #dfc5ed, #e6d0f0, #ecdcf4, #f4ecf9, #fbf7fd
- Shades (toward black): #a960cd, #9c49c5, #8d3ab6, #7b329f, #692b88, #54226d, #421b55, #30143e, #1e0c27, #0c0510

## Harmonies

- Complementary: #96d477
- Analogous: #8777d4, #d477c5
- Triadic: #d4b577, #77d4b5
- Split-complementary: #c5d477, #77d487
- Tetradic: #d48777, #96d477, #77c5d4

## Colors that go with #b577d4

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

- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #b577d4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #b577d4 in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b577d4 in 3 real palettes, including Loom's brand system and Sephora's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #b577d4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #b577d4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Blue** #0000ff [pool] — Two real palettes: Canva's brand system and Spotify's brand system put Blue beside #b577d4, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #b577d4: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b577d4 in two real palettes: Obsidian's brand system and Supabase's brand system, as the accent. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green

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

- On white (#ffffff): 3.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a254c9 (4.52:1); AA: background → #292929 (4.54:1); AAA: text → #7e33a3 (7.27:1)
- On black (#000000): 6.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b97fd7 (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/b577d4-b99fc1-b8cb62-2d1f2c-ebe9f1?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: "#b577d4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.