Color
#556572
#556572rgb(85, 101, 114)hsl(207, 15%, 39%)oklch(0.498 0.029 242.8)Colors that go with #556572
Charcoal, Champagne and Cobalt Blue 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 #556572 without the hard edge of pure #000.
Champagne #f7e7ce
shipped5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #556572, as the surface under it.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #556572: 4 real palettes, including Ink & Paper and Fintech Trust, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #556572: 5 real palettes, including Desert Road and Dusk, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #556572 in 9 real palettes, including Gemstone and Retro Pop, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #556572: 12 real palettes, including HP's brand system and Campus, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #556572: 5 real palettes, including Newsprint and Fireside, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #556572 in 4 real palettes, including Mid-Century and Open House, as the accent.
Real palettes that use #556572
Tints & shades
Harmonies
Contrast
| #556572 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.02:1 | pass | pass | fail |
|
Aaon black | 3.49:1 | 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 #556572 as the background.
Brands using this color
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 #556572 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/556572-9cadc4-df4e53-1f212d-e9f1f1?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