# #837fa4

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

## Values

- Hex: `#837fa4`
- RGB: rgb(131, 127, 164)
- HSL: hsl(246, 17%, 57%)
- OKLCH: oklch(0.613 0.056 289.6)
- Relative luminance: 0.2268
- Nearest named color: Aster (#867ba9, Δ 1.577) — https://brandsweets.com/colors/aster
- Moods: cool, muted
- Page: https://brandsweets.com/colors/837fa4

## Tints & shades

- Tints (toward white): #8e8bac, #9a97b5, #a5a3bd, #b1aec6, #bfbdd0, #cbc9d9, #d6d5e1, #e2e1ea, #eeedf2, #f9f9fb
- Shades (toward black): #747099, #656189, #5a577a, #4f4c6b, #44425c, #37354b, #2c2a3c, #21202d, #14131b, #09080c

## Harmonies

- Complementary: #a0a47f
- Analogous: #7f8ea4, #957fa4
- Triadic: #a4827f, #7fa482
- Split-complementary: #a4957f, #8ea47f
- Tetradic: #a47f8e, #a0a47f, #7fa495

## Colors that go with #837fa4

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 #837fa4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #837fa4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Atelier (https://brandsweets.com/palettes/elegant#atelier), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Midnight Luxe and Coffee Bar put Champagne beside #837fa4, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Denim** #1560bd [pool] — Designers have shipped Denim with #837fa4: 7 real palettes, including Campus and Dusk, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #837fa4, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Open House (https://brandsweets.com/palettes/clean#open-house), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Graphite put Orange beside #837fa4, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Olympics (https://brandsweets.com/colors/brands/olympics-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/orange
- **Peru** #cd853f [pool] — 5 real palettes, including Estate and Kiln put Peru beside #837fa4, as the lead colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Kiln (https://brandsweets.com/palettes/dark#kiln), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/peru
- **Taupe** #483c32 [pool] — Taupe is paired with #837fa4 in 20 real palettes, including Typewriter and Still Water, as the lead colour. Seen in: Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Still Water (https://brandsweets.com/palettes/cool#still-water), Dusk (https://brandsweets.com/palettes/cool#dusk), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 3.79:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #747099 (4.65:1); AA: background → #1a1a1a (4.59:1); AAA: text → #585577 (7.05:1)
- On black (#000000): 5.54:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9794b3 (7.2:1)

## Curated palettes containing it

- **Midnight Luxe** (luxury, dark, elegant) — #cbb26a, #8b83a8, #b8b8c8, #0a0a12, #efe9dd — Champagne gold on ink-navy with a violet undertone — hotels and spirits use it because it reads expensive at any size. — tool: https://brandsweets.com/palettes/new/cbb26a-8b83a8-b8b8c8-0a0a12-efe9dd — collection: https://brandsweets.com/palettes/luxury

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/837fa4-a59cc4-dfa74e-271f2d-e9ecf1?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: "#837fa4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.