# #5f18ec

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

## Values

- Hex: `#5f18ec`
- RGB: rgb(95, 24, 236)
- HSL: hsl(260, 85%, 51%)
- OKLCH: oklch(0.485 0.27 285.2)
- Relative luminance: 0.0914
- Nearest named color: Electric Indigo (#6600ff, Δ 3.044) — https://brandsweets.com/colors/electric-indigo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5f18ec

## Tints & shades

- Tints (toward white): #6f2fee, #7c42f0, #8c5af2, #9d71f4, #ad89f5, #ba9cf7, #cbb4f9, #dbcbfb, #e8defc, #f8f6fe
- Shades (toward black): #5412d9, #4d10c6, #440eaf, #3a0c97, #330b84, #2a096d, #210755, #18053d, #10032a, #070213

## Harmonies

- Complementary: #a5ec18
- Analogous: #183bec, #c918ec
- Triadic: #ec5f18, #18ec5f
- Split-complementary: #ecc918, #3bec18
- Tetradic: #ec183b, #a5ec18, #18ecc9

## Colors that go with #5f18ec

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #5f18ec'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), Signal (https://brandsweets.com/colors/brands/signal-org), EA (https://brandsweets.com/colors/brands/ea-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #5f18ec: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #5f18ec: 6 real palettes, including Zillow's brand system and Unilever's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Oreo (https://brandsweets.com/colors/brands/oreo-com), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #5f18ec: 4 real palettes, including Kraken's brand system and Render's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Render (https://brandsweets.com/colors/brands/render-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5f18ec: 5 real palettes, including Pixar's brand system and Unilever's brand system, as the supporting colour. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Kraken's brand system and Penpot's brand system put Midnight Blue beside #5f18ec, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #5f18ec in 4 real palettes, including Prepare your taste buds...'s brand system and Clerk's brand system, as the lead colour. Seen in: Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Clerk (https://brandsweets.com/colors/brands/clerk-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/orangered
- **Red** #ff0000 [pool] — Red is paired with #5f18ec in 4 real palettes, including Twitch's brand system and native Cybersecurity's brand system, as the accent. Seen in: Twitch (https://brandsweets.com/colors/brands/twitch-tv), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), 3M (https://brandsweets.com/colors/brands/3m-com), Gap (https://brandsweets.com/colors/brands/gap-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 7.42:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8955f1 (4.63:1); AA: background → #cccccc (4.62:1); AAA: text → #a780f5 (7.05:1); AAA: background → #fafafa (7.11:1)

## 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/5f18ec-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: "#5f18ec" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.