Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Color
#8f9abcrgb(143, 154, 188)hsl(225, 25%, 65%)oklch(0.689 0.052 271)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 #8f9abc: softer than #000 and cool enough to feel like part of the same palette.
Peru sits directly opposite #8f9abc 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 #8f9abc: 4 real palettes, including Dusk and Riverbed, as the accent.
Designers have shipped Deep Sky Blue with #8f9abc: 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 #8f9abc: 5 real palettes, including Dusk and Open House, as the lead colour.
8 real palettes, including Open House and First Snow put Midnight Blue beside #8f9abc, as the text colour against it.
Periwinkle shows up next to #8f9abc in 4 real palettes, including Blue Mono and Calendly's brand system, as the accent.
Designers have shipped Powder Blue with #8f9abc: 5 real palettes, including First Snow and Crypto.com's brand system, as the accent.
| #8f9abc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.79:1 | fail | fail | fail | |
Aaon black | 7.52:1 | 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 #8f9abc 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 #8f9abc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/8f9abc-9ca1c4-df754e-221f2d-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