Color
#556477
#556477rgb(85, 100, 119)hsl(214, 17%, 40%)oklch(0.498 0.036 254.5)Colors that go with #556477
Charcoal, Sienna and Amber 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 #556477: softer than #000 and cool enough to feel like part of the same palette.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #556477 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #556477 in 4 real palettes, including Lemon Squeezy's brand system and McDonald's's brand system, as the lead colour.
Champagne #f7e7ce
shipped5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #556477, as the surface under it.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #556477: 4 real palettes, including Ink & Paper and Fintech Trust, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #556477: 5 real palettes, including Dusk and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #556477 in 10 real palettes, including Retro Pop and Gemstone, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #556477: 10 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
Real palettes that use #556477
Tints & shades
Harmonies
Contrast
| #556477 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.04:1 | pass | pass | fail |
|
Aaon black | 3.48:1 | 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 #556477 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 #556477 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/556477-9ca9c4-df5a4e-1f1f2d-e9f0f1?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