# #7f37eb

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

## Values

- Hex: `#7f37eb`
- RGB: rgb(127, 55, 235)
- HSL: hsl(264, 82%, 57%)
- OKLCH: oklch(0.54 0.247 294.7)
- Relative luminance: 0.1324
- Nearest named color: blueviolet (#8a2be2, Δ 2.965) — https://brandsweets.com/colors/blueviolet
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/7f37eb

## Tints & shades

- Tints (toward white): #8b4aed, #975def, #a36ff1, #af82f3, #be99f5, #caabf7, #d5bef9, #e1d1fa, #ede3fc, #f9f6fe
- Shades (toward black): #7120e9, #6215d5, #5713be, #4d11a7, #420e90, #350b74, #2b095d, #200746, #13042a, #090213

## Harmonies

- Complementary: #a3eb37
- Analogous: #3749eb, #d937eb
- Triadic: #eb7f37, #37eb7f
- Split-complementary: #ebd937, #49eb37
- Tetradic: #eb3749, #a3eb37, #37ebd9

## Colors that go with #7f37eb

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 #7f37eb 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #7f37eb: 3 real palettes, including Render's brand system and Calm's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Calm (https://brandsweets.com/colors/brands/calm-com), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/deepskyblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #7f37eb, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Discord (https://brandsweets.com/colors/brands/discord), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #7f37eb'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
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #7f37eb — 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
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #7f37eb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #7f37eb: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #7f37eb: 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): 5.76:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6b17e8 (7.21:1)
- On black (#000000): 3.65:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8e4fee (4.5:1); AA: background → #e6e6e6 (4.61:1); AAA: text → #af82f3 (7.31:1)

## Brands using this color

- **Fly.io** — primary #7c3aed (Δ 0.759) — https://brandsweets.com/colors/brands/fly-io
- **Fly.io** — secondary #7c3aed (Δ 0.759) — https://brandsweets.com/colors/brands/fly-io

## Curated palettes containing it

- **Circuit** (technical, vivid, bold) — #7c3aed, #0a0a0a, #06b6d4, #ffffff — Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy. — tool: https://brandsweets.com/palettes/new/7c3aed-0a0a0a-06b6d4-ffffff — collection: https://brandsweets.com/palettes/technical

## 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/7f37eb-b19cc4-dfd34e-2b1f2d-e9eaf1?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: "#7f37eb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.