# #8b129b

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

## Values

- Hex: `#8b129b`
- RGB: rgb(139, 18, 155)
- HSL: hsl(293, 79%, 34%)
- OKLCH: oklch(0.464 0.208 322.4)
- Relative luminance: 0.0829
- Nearest named color: darkmagenta (#8b008b, Δ 2.778) — https://brandsweets.com/colors/darkmagenta
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/8b129b

## Tints & shades

- Tints (toward white): #a415b7, #c019d7, #d028e6, #d748ea, #dd64ed, #e37ff0, #ea9ff4, #f0bbf7, #f7dafb, #fdf6fe
- Shades (toward black): #7f118d, #730f80, #660d72, #5a0c64, #4e0a57, #420949, #35073b, #29052e, #1d0420, #100212

## Harmonies

- Complementary: #229b12
- Analogous: #47129b, #9b1267
- Triadic: #9b8b12, #129b8b
- Split-complementary: #679b12, #129b47
- Tetradic: #9b4712, #229b12, #12679b

## Colors that go with #8b129b

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

- **Denim** #1560bd [pool] — Designers have shipped Denim with #8b129b: 4 real palettes, including Slack's brand system and Peacock, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #8b129b 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 #8b129b: 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 #8b129b: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #8b129b in 3 real palettes, including Lenovo's brand system and Gemstone, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #8b129b: 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 #8b129b in two real palettes: Datadog's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe
- **Medium Violet Red** #c71585 [harmony: analogous] — Medium Violet Red is #8b129b'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

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

- On white (#ffffff): 7.9:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #c51adb (4.54:1); AA: background → #c4c4c4 (4.53:1); AAA: text → #dd64ed (7.12:1); AAA: background → #f2f2f2 (7.06:1)

## 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/8b129b-c19fc1-a1cb62-2d1f29-ece9f1?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: "#8b129b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.