Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Color
#8f9bb7rgb(143, 155, 183)hsl(222, 22%, 64%)oklch(0.69 0.044 266.9)Charcoal, Peru and Copper 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 #8f9bb7: softer than #000 and cool enough to feel like part of the same palette.
Peru sits directly opposite #8f9bb7 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 Copper with #8f9bb7: 5 real palettes, including Dusk and Riverbed, as the accent.
Designers have shipped Deep Sky Blue with #8f9bb7: 4 real palettes, including Calm's brand system and Snowflake AI Data Cloud's brand system, as the lead colour.
Designers have shipped Denim with #8f9bb7: 5 real palettes, including Dusk and Open House, as the lead colour.
Designers have shipped Dodger Blue with #8f9bb7: 4 real palettes, including Studio Grey and Patreon's brand system, as the accent.
8 real palettes, including Open House and First Snow put Midnight Blue beside #8f9bb7, as the text colour against it.
Periwinkle shows up next to #8f9bb7 in 4 real palettes, including Calendly's brand system and Blue Mono, as the supporting colour.
| #8f9bb7 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.79:1 | fail | fail | fail | |
Aaon black | 7.54:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8f9bb7 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 #8f9bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/8f9bb7-9ca3c4-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