# #837fd2

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

## Values

- Hex: `#837fd2`
- RGB: rgb(131, 127, 210)
- HSL: hsl(243, 48%, 66%)
- OKLCH: oklch(0.635 0.123 284.5)
- Relative luminance: 0.2466
- Nearest named color: Perrywinkle (#8f8ce7, Δ 4.659) — https://brandsweets.com/colors/perrywinkle
- Moods: cool, modern
- Page: https://brandsweets.com/colors/837fd2

## Tints & shades

- Tints (toward white): #8e8ad6, #9995da, #a7a4df, #b2b0e3, #bdbbe7, #c8c6eb, #d3d2ef, #e2e1f4, #edecf8, #f8f7fc
- Shades (toward black): #6d68ca, #5751c2, #443eb1, #3b369b, #332e84, #2a266d, #211e57, #17153c, #0e0d26, #06050f

## Harmonies

- Complementary: #ced27f
- Analogous: #7fa4d2, #ac7fd2
- Triadic: #d2837f, #7fd283
- Split-complementary: #d2ac7f, #a4d27f
- Tetradic: #d27fa4, #ced27f, #7fd2ac

## Colors that go with #837fd2

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 #837fd2: 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 #837fd2 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 Readymag's brand system put Blue beside #837fd2, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #837fd2: 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), Calm (https://brandsweets.com/colors/brands/calm-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #837fd2: 14 real palettes, including Dusk and Coursera's brand system, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Coursera (https://brandsweets.com/colors/brands/coursera-org), Gopro (https://brandsweets.com/colors/brands/gopro-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #837fd2 in 4 real palettes, including Ledger Dark and Chevrolet's brand system, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Disney (https://brandsweets.com/colors/brands/disney-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #837fd2 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), Unity (https://brandsweets.com/colors/brands/unity-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Dark Goldenrod** #b8860b [harmony: complementary] — Dark Goldenrod sits directly opposite #837fd2 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): 3.54:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6d68ca (4.68:1); AA: background → #212121 (4.55:1); AAA: text → #4c46be (7.17:1)
- On black (#000000): 5.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #918ed7 (7.05:1)

## 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/837fd2-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: "#837fd2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.