Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Named color
Cool Gray
#8c92ac
hex
#8c92acrgb
rgb(140, 146, 172)hsl
hsl(229, 16%, 61%)oklch
oklch(0.664 0.039 275)Relative luminance 0.2911
Cool Gray on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.
Colors that go with Cool Gray
Charcoal, Blush Pink and Burlywood 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 #36454f
neutralshippedCharcoal is the text near-black for Cool Gray: softer than #000 and cool enough to feel like part of the same palette.
Blush Pink #e8b4b8
shipped5 real palettes, including Estate and Rain Garden put Blush Pink beside Cool Gray, as the accent.
Burlywood #deb887
shippedBurlywood is paired with Cool Gray in 4 real palettes, including Kiln and Polaroid, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with Cool Gray: 5 real palettes, including Dusk and Atelier, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with Cool Gray: 5 real palettes, including Dusk and Open House, as the lead colour.
Midnight Blue #191970
shipped6 real palettes, including Open House and First Snow put Midnight Blue beside Cool Gray, as the text colour against it.
Peru #cd853f
split-complementshippedPeru is a split-complement of Cool Gray: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with Cool Gray: 4 real palettes, including Ink Wash and First Snow, as the lead colour.
Real palettes that use Cool Gray
Tints & shades
Harmonies
Contrast
| Cool Gray as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.08:1 | fail | pass | fail | |
Aaon black | 6.82:1 | 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 Cool Gray as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around Cool Gray
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #8c92ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/8c92ac-9c9fc4-df7e4e-231f2d-e9eef1?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