Color
#647e87
#647e87rgb(100, 126, 135)hsl(195, 15%, 46%)oklch(0.576 0.033 220.9)Colors that go with #647e87
Charcoal, Copper and Sienna 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 #647e87: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #647e87: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #647e87 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #647e87 in 4 real palettes, including Graphite Mono and Rain Garden, as the accent — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #647e87 in 6 real palettes, including Forest Floor and Midnight Luxe, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #647e87 in 4 real palettes, including Ink & Paper and Fintech Trust, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #647e87 in 7 real palettes, including Retro Pop and Gemstone, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #647e87 in 7 real palettes, including Campus and Peacock, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #647e87
Tints & shades
Harmonies
Contrast
| #647e87 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.31:1 | fail | pass | fail | |
Aaon black | 4.88:1 | 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 #647e87 as the background.
Brands using this color
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 #647e87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/647e87-9cb5c4-df4e70-1f242d-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