# #8581cf

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

## Values

- Hex: `#8581cf`
- RGB: rgb(133, 129, 207)
- HSL: hsl(243, 45%, 66%)
- OKLCH: oklch(0.639 0.115 285)
- Relative luminance: 0.2519
- Nearest named color: Magic Carpet (#9488be, Δ 4.259) — https://brandsweets.com/colors/magic-carpet
- Moods: cool, modern
- Page: https://brandsweets.com/colors/8581cf

## Tints & shades

- Tints (toward white): #908cd4, #9b97d8, #a9a6dd, #b4b1e2, #bfbce6, #c9c8ea, #d4d3ee, #e2e1f4, #ededf8, #f8f8fc
- Shades (toward black): #706bc7, #5a55be, #4742ae, #3e3a98, #353181, #2c296b, #232055, #18163b, #0f0e25, #06060f

## Harmonies

- Complementary: #cbcf81
- Analogous: #81a4cf, #ac81cf
- Triadic: #cf8581, #81cf85
- Split-complementary: #cfac81, #a4cf81
- Tetradic: #cf81a4, #cbcf81, #81cfac

## Colors that go with #8581cf

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #8581cf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #8581cf in 8 real palettes, including Blueprint and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Qualcomm's brand system and Canva's brand system put Blue beside #8581cf, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #8581cf: 7 real palettes, including Blueprint and Telegram's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8581cf: 11 real palettes, including Dusk and Gopro's brand system, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/denim
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #8581cf in 4 real palettes, including Sentry's brand system and Calm's brand system, as the accent. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Calm (https://brandsweets.com/colors/brands/calm-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightskyblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #8581cf in 4 real palettes, including Spotify's brand system and Olympics's brand system, as the lead colour. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Olympics (https://brandsweets.com/colors/brands/olympics-com), Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/mediumseagreen
- **Dark Goldenrod** #b8860b [harmony: complementary] — Dark Goldenrod sits directly opposite #8581cf 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/darkgoldenrod

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

- On white (#ffffff): 3.48:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #706bc7 (4.55:1); AA: background → #212121 (4.63:1); AAA: text → #4c46b9 (7.28:1)
- On black (#000000): 6.04:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9490d5 (7.21:1)

## Fonts for this mood

- 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/8581cf-a39cc4-dfa04e-261f2d-e9edf1?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: "#8581cf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.