# #818aa2

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

## Values

- Hex: `#818aa2`
- RGB: rgb(129, 138, 162)
- HSL: hsl(224, 15%, 57%)
- OKLCH: oklch(0.634 0.038 269.1)
- Relative luminance: 0.2545
- Nearest named color: lightslategray (#778899, Δ 2.051) — https://brandsweets.com/colors/lightslategray
- Moods: cool, muted
- Page: https://brandsweets.com/colors/818aa2

## Tints & shades

- Tints (toward white): #8d95aa, #98a0b3, #a4aabc, #b0b5c4, #bec3cf, #caced8, #d6d9e1, #e2e4e9, #edeff2, #f9fafb
- Shades (toward black): #727c97, #646d87, #596178, #4e556a, #434a5b, #363b49, #2b2f3b, #21242c, #14151a, #09090c

## Harmonies

- Complementary: #a29981
- Analogous: #819aa2, #8981a2
- Triadic: #a2818a, #8aa281
- Split-complementary: #a28981, #9aa281
- Tetradic: #a2819a, #a29981, #81a289

## Colors that go with #818aa2

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 #818aa2: 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), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #818aa2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. 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), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Burlywood** #deb887 [pool] — Burlywood is paired with #818aa2 in 4 real palettes, including Kiln and Coastal, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Coastal (https://brandsweets.com/palettes/cool#coastal), Polaroid (https://brandsweets.com/palettes/light#polaroid), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood
- **Crimson** #dc143c [pool] — Crimson is paired with #818aa2 in 4 real palettes, including Retro Pop and Diner, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #818aa2: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #818aa2, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Peru** #cd853f [pool] — 4 real palettes, including Estate and Kiln put Peru beside #818aa2, 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
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #818aa2: 4 real palettes, including Ink Wash and First Snow, as the lead colour. Seen in: Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), First Snow (https://brandsweets.com/palettes/cool#first-snow), Stone (https://brandsweets.com/palettes/neutral#stone), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 3.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6a7490 (4.65:1); AA: background → #242424 (4.5:1); AAA: text → #50586d (7.1:1)
- On black (#000000): 6.09:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8d95aa (7.01:1)

## Curated palettes containing it

- **Ledger Dark** (dark, luxury, technical) — #c9a227, #7c8aa5, #34d399, #0c1222, #e8edf5 — Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy. — tool: https://brandsweets.com/palettes/new/c9a227-7c8aa5-34d399-0c1222-e8edf5 — collection: https://brandsweets.com/palettes/dark

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/818aa2-9ca2c4-df724e-221f2d-e9eff1?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: "#818aa2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.