# #834bfb

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

## Values

- Hex: `#834bfb`
- RGB: rgb(131, 75, 251)
- HSL: hsl(259, 96%, 64%)
- OKLCH: oklch(0.579 0.244 291.4)
- Relative luminance: 0.1682
- Nearest named color: Candy Grape Fizz (#7755ee, Δ 3.13) — https://brandsweets.com/colors/candy-grape-fizz
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/834bfb

## Tints & shades

- Tints (toward white): #8d5afc, #9b6efc, #a57dfc, #b391fd, #bda0fd, #c8affd, #d6c3fe, #e0d2fe, #eee6fe, #f8f5ff
- Shades (toward black): #6e2dfb, #5a0ffa, #4c05e6, #4204c8, #3803aa, #2e038c, #24026e, #1a0250, #110132, #070014

## Harmonies

- Complementary: #c4fb4b
- Analogous: #4b6bfb, #db4bfb
- Triadic: #fb834b, #4bfb83
- Split-complementary: #fbdb4b, #6bfb4b
- Tetradic: #fb4b6b, #c4fb4b, #4bfbdb

## Colors that go with #834bfb

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

- **Taupe** #483c32 [pool] — Taupe is paired with #834bfb in 4 real palettes, including Obsidian's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Zed (https://brandsweets.com/colors/brands/zed-dev). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #834bfb 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #834bfb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #834bfb'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), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #834bfb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #834bfb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen
- **Copper** #b87333 [harmony: split] — Copper is a split-complement of #834bfb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #834bfb: two real palettes: Mastodon hosted on mastodon.social's brand system and Roblox's brand system, as the supporting colour. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 4.81:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5d14fa (7.13:1)
- On black (#000000): 4.36:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8650fb (4.55:1); AA: background → #fafafa (4.61:1); AAA: text → #a982fc (7.29:1)

## 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/834bfb-ad9cc4-dfc74e-2a1f2d-e9ebf1?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: "#834bfb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.