# #858fa3

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

## Values

- Hex: `#858fa3`
- RGB: rgb(133, 143, 163)
- HSL: hsl(220, 14%, 58%)
- OKLCH: oklch(0.649 0.032 264.3)
- Relative luminance: 0.2728
- Nearest named color: Cool Gray (#8c92ac, Δ 1.807) — https://brandsweets.com/colors/cool-gray
- Moods: cool, muted
- Page: https://brandsweets.com/colors/858fa3

## Tints & shades

- Tints (toward white): #919aac, #9ca4b4, #a8afbd, #b3bac6, #bfc4cf, #cbcfd8, #d6dae0, #e2e4e9, #eeeff2, #f9fafb
- Shades (toward black): #768298, #677289, #5c667a, #4f5869, #444b5a, #393f4c, #2c313a, #21242c, #14161a, #090a0c

## Harmonies

- Complementary: #a39985
- Analogous: #859ea3, #8a85a3
- Triadic: #a3858f, #8fa385
- Split-complementary: #a38a85, #9ea385
- Tetradic: #a3859e, #a39985, #85a38a

## Colors that go with #858fa3

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 #858fa3: softer than #000 and cool enough to feel like part of the same palette. Seen in: 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), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #858fa3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Estate and Rain Garden put Blush Pink beside #858fa3, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Denim** #1560bd [pool] — Designers have shipped Denim with #858fa3: 6 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Campus (https://brandsweets.com/palettes/friendly#campus), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Open House and Plaid's brand system put Midnight Blue beside #858fa3, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Plaid (https://brandsweets.com/colors/brands/plaid-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #858fa3: 4 real palettes, including Ink Wash and Stone, as the lead colour. Seen in: Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Stone (https://brandsweets.com/palettes/neutral#stone), First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #858fa3 in 4 real palettes, including Slate Workspace and Sephora's brand system, as the accent. Seen in: Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Sephora (https://brandsweets.com/colors/brands/sephora-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #858fa3 in 23 real palettes, including Dusk and Typewriter, as the text colour against it. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Still Water (https://brandsweets.com/palettes/cool#still-water), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 3.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6b778e (4.51:1); AA: background → #262626 (4.65:1); AAA: text → #4f5869 (7.16:1)
- On black (#000000): 6.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8e97a9 (7.15:1)

## Curated palettes containing it

- **Arctic** (clean, cool, minimal) — #0f1b2d, #7d93a8, #0ea5e9, #ffffff — Navy type on white with an ice-blue accent: crisp and corporate without going grey. — tool: https://brandsweets.com/palettes/new/0f1b2d-7d93a8-0ea5e9-ffffff — collection: https://brandsweets.com/palettes/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/858fa3-9ca5c4-df694e-211f2d-e9f0f1?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: "#858fa3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.