Color
#566367
#566367rgb(86, 99, 103)hsl(194, 9%, 37%)oklch(0.49 0.017 218.2)Colors that go with #566367
Charcoal, Blush Pink and Champagne 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 that reads cleanly against #566367 without the hard edge of pure #000.
Blush Pink #e8b4b8
shipped4 real palettes, including Graphite Mono and Blush put Blush Pink beside #566367, as the accent.
Champagne #f7e7ce
shipped5 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #566367.
Copper #b87333
shippedDesigners have shipped Copper with #566367: 6 real palettes, including Desert Road and Clay & Linen, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #566367 in 7 real palettes, including Gemstone and Retro Pop, as the accent.
Dark Goldenrod #b8860b
shipped4 real palettes, including Cider and Greige put Dark Goldenrod beside #566367, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #566367: 11 real palettes, including HP's brand system and Campus, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #566367: 4 real palettes, including Fireside and Newsprint, as the lead colour.
Real palettes that use #566367
Tints & shades
Harmonies
Contrast
| #566367 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.22:1 | pass | pass | fail |
|
Aaon black | 3.38:1 | 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 #566367 as the background.
Brands using this color
Fonts for this mood
#566367 reads as muted, minimal. 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 #566367 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/566367-9cb6c4-df4e72-1f242d-e9f1ef?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