Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Color
#425f94rgb(66, 95, 148)hsl(219, 38%, 42%)oklch(0.488 0.092 261.7)Charcoal, Sea Green and Sienna 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 #425f94: softer than #000 and cool enough to feel like part of the same palette.
Sea Green completes a triad with #425f94 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna sits directly opposite #425f94 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber is paired with #425f94 in 8 real palettes, including McDonald's's brand system and Warner Bros.'s brand system, as the lead colour.
5 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #425f94, as the accent.
Designers have shipped Cornflower Blue with #425f94: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour.
Crimson is paired with #425f94 in 18 real palettes, including Costco's brand system and McDonald's's brand system, as the lead colour.
Designers have shipped Deep Sky Blue with #425f94: 4 real palettes, including Venmo's brand system and Deep Water, as the supporting colour.
| #425f94 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.37:1 | pass | pass | fail |
|
Aaon black | 3.3:1 | fail | 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 #425f94 as the background.
#425f94 reads as cool, modern. The font library is tagged with the same vocabulary:
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 #425f94 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/425f94-9ca5c4-df664e-211f2d-e9f0f1?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