# #870ff0

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

## Values

- Hex: `#870ff0`
- RGB: rgb(135, 15, 240)
- HSL: hsl(272, 88%, 50%)
- OKLCH: oklch(0.528 0.277 298.7)
- Relative luminance: 0.1178
- Nearest named color: Poisoning Purple (#7f01fe, Δ 2.868) — https://brandsweets.com/colors/poisoning-purple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/870ff0

## Tints & shades

- Tints (toward white): #9327f1, #9f3ff3, #a952f4, #b56af6, #c182f7, #cd9af9, #d9b2fa, #e2c5fb, #eeddfd, #faf5fe
- Shades (toward black): #790ed8, #6f0dc5, #610bad, #560a99, #490881, #3b0769, #310656, #23043e, #18032b, #0b0113

## Harmonies

- Complementary: #78f00f
- Analogous: #170ff0, #f00fe8
- Triadic: #f0870f, #0ff087
- Split-complementary: #e8f00f, #0ff017
- Tetradic: #f0170f, #78f00f, #0fe8f0

## Colors that go with #870ff0

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

- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #870ff0 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/olive
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #870ff0 in 3 real palettes, including ClickUp's brand system and monday.com's brand system, as the supporting colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), monday.com (https://brandsweets.com/colors/brands/monday-com), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/mediumslateblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #870ff0 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #870ff0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #870ff0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #870ff0: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #870ff0: two real palettes: Render's brand system and Kraken's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/deepskyblue
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #870ff0 in two real palettes: Circuit and Taco Bell's brand system, as the accent. Seen in: Circuit (https://brandsweets.com/palettes/technical#circuit), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 6.26:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7c0edd (7.09:1)
- On black (#000000): 3.36:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a144f3 (4.64:1); AA: background → #dbdbdb (4.52:1); AAA: text → #bc79f6 (7.2:1)

## 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/870ff0-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: "#870ff0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.