# #b511c0

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

## Values

- Hex: `#b511c0`
- RGB: rgb(181, 17, 192)
- HSL: hsl(296, 84%, 41%)
- OKLCH: oklch(0.554 0.251 325.1)
- Relative luminance: 0.1403
- Nearest named color: Magentleman (#aa22bb, Δ 2.356) — https://brandsweets.com/colors/magentleman
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b511c0

## Tints & shades

- Tints (toward white): #cf13dd, #de1eeb, #e23aee, #e656f0, #ea72f3, #ee8af5, #f2a6f7, #f6c2fa, #f9d9fc, #fef6fe
- Shades (toward black): #a30fae, #960ea0, #840c8d, #730b7a, #65096c, #540859, #420646, #300434, #230326, #120213

## Harmonies

- Complementary: #1cc011
- Analogous: #5d11c0, #c01174
- Triadic: #c0b511, #11c0b5
- Split-complementary: #74c011, #11c05d
- Tetradic: #c05d11, #1cc011, #1174c0

## Colors that go with #b511c0

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 #b511c0 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
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #b511c0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b511c0: 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 #b511c0: 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 #b511c0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [pool] — Crimson is paired with #b511c0 in two real palettes: The Ordinary's brand system and Gemstone, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony: analogous] — Medium Violet Red is #b511c0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/mediumvioletred
- **Blue Violet** #8a2be2 [harmony: analogous] — Blue Violet is #b511c0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 5.52:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9a0ea4 (7.06:1)
- On black (#000000): 3.81:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #cb13d8 (4.62:1); AA: background → #e8e8e8 (4.5:1); AAA: text → #e75bf1 (7.16:1)

## Brands using this color

- **Hasbro** — accent #b822c3 (Δ 1.513) — https://brandsweets.com/colors/brands/hasbro-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/b511c0-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: "#b511c0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.