Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#818ba2rgb(129, 139, 162)hsl(222, 15%, 57%)oklch(0.637 0.036 266.8)Charcoal, Copper and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal is the text near-black for #818ba2: softer than #000 and cool enough to feel like part of the same palette.
Copper sits directly opposite #818ba2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Designers have shipped Denim with #818ba2: 6 real palettes, including Dusk and Open House, as the lead colour.
7 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #818ba2, as the supporting colour.
Designers have shipped Powder Blue with #818ba2: 4 real palettes, including Ink Wash and First Snow, as the lead colour.
Taupe is paired with #818ba2 in 21 real palettes, including Dusk and Typewriter, as the text colour against it.
3 real palettes, including Estate and Rain Garden put Blush Pink beside #818ba2, as the accent.
Burlywood is paired with #818ba2 in 3 real palettes, including Kiln and Coastal, as the accent.
| #818ba2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.42:1 | fail | pass | fail | |
Aaon black | 6.15:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #818ba2 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #818ba2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/818ba2-9ca3c4-df6e4e-211f2d-e9eff1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md