# #7f51db

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

## Values

- Hex: `#7f51db`
- RGB: rgb(127, 81, 219)
- HSL: hsl(260, 66%, 59%)
- OKLCH: oklch(0.559 0.201 294.3)
- Relative luminance: 0.1551
- Nearest named color: Candy Grape Fizz (#7755ee, Δ 3.275) — https://brandsweets.com/colors/candy-grape-fizz
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/7f51db

## Tints & shades

- Tints (toward white): #8c62df, #9873e2, #a584e6, #b195e9, #bea6ed, #c7b3ef, #d3c4f3, #e0d5f6, #ece6fa, #f9f7fd
- Shades (toward black): #703cd7, #5f2acb, #5625b6, #4a209d, #401c87, #34176e, #2a1259, #1e0d3f, #14092a, #080311

## Harmonies

- Complementary: #addb51
- Analogous: #5168db, #c451db
- Triadic: #db7f51, #51db7f
- Split-complementary: #dbc451, #68db51
- Tetradic: #db5168, #addb51, #51dbc4

## Colors that go with #7f51db

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: split] — Sea Green is a split-complement of #7f51db: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #7f51db: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #7f51db in 4 real palettes, including Gemstone and Marvel's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Marvel (https://brandsweets.com/colors/brands/marvel-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #7f51db, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Discord (https://brandsweets.com/colors/brands/discord), Marvel (https://brandsweets.com/colors/brands/marvel-com), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #7f51db in 5 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), Zed (https://brandsweets.com/colors/brands/zed-dev), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #7f51db 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
- **Amber** #ffbf00 [pool] — Amber is paired with #7f51db in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Wikipedia's brand system, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #7f51db: 3 real palettes, including 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), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 5.12:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6730d5 (7.09:1)
- On black (#000000): 4.1:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #865add (4.52:1); AA: background → #f2f2f2 (4.57:1); AAA: text → #a584e6 (7.04:1)

## 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/7f51db-ae9cc4-dfc94e-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: "#7f51db" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.