# #b557bc

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

## Values

- Hex: `#b557bc`
- RGB: rgb(181, 87, 188)
- HSL: hsl(296, 43%, 54%)
- OKLCH: oklch(0.609 0.175 324.8)
- Relative luminance: 0.2027
- Nearest named color: Love Priestess (#bb55cc, Δ 2.696) — https://brandsweets.com/colors/love-priestess
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b557bc

## Tints & shades

- Tints (toward white): #bc66c2, #c478c9, #ca87cf, #d299d6, #d9a7dc, #dfb6e2, #e7c8e9, #edd7ef, #f5e9f6, #fcf8fc
- Shades (toward black): #ac47b3, #9a40a0, #89398e, #77317c, #662a6a, #542358, #431c45, #311433, #200d21, #0e060f

## Harmonies

- Complementary: #5ebc57
- Analogous: #8357bc, #bc5790
- Triadic: #bcb557, #57bcb5
- Split-complementary: #90bc57, #57bc83
- Tetradic: #bc8357, #5ebc57, #5790bc

## Colors that go with #b557bc

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 #b557bc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Dark Cyan** #008b8b [harmony, pool: split] — Dark Cyan is a split-complement of #b557bc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b557bc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b557bc: 3 real palettes, including Hasbro's brand system and Peacock, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b557bc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Taupe** #483c32 [pool] — Taupe is paired with #b557bc in two real palettes: Loom's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Cadet Blue** #5f9ea0 [harmony: triadic] — Cadet Blue completes a triad with #b557bc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [harmony: triadic] — Copper completes a triad with #b557bc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 4.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b14cb8 (4.57:1); AA: background → #121212 (4.51:1); AAA: text → #85378b (7.2:1)
- On black (#000000): 5.05:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #c57ccb (7.12:1)

## 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/b557bc-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: "#b557bc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.