Color
#669aa3
#669aa3rgb(102, 154, 163)hsl(189, 25%, 52%)oklch(0.653 0.057 209.5)Colors that go with #669aa3
Charcoal, Terracotta and Blush Pink 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 #669aa3: softer than #000 and cool enough to feel like part of the same palette.
Terracotta #e2725b
complementaryshippedTerracotta sits directly opposite #669aa3 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 #669aa3 in 4 real palettes, including Estate and Rain Garden, as the accent — a combination designers have actually shipped, not a computed rotation.
Burlywood #deb887
shippedBurlywood is paired with #669aa3 in 4 real palettes, including Coastal and Kiln, as the accent — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #669aa3 in 6 real palettes, including Dusk and Clean Beauty, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #669aa3 in 5 real palettes, including Dusk and Open House, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #669aa3 in 7 real palettes, including Ford's brand system and Open House, as the accent — a combination designers have actually shipped, not a computed rotation.
Peru #cd853f
split-complementshippedPeru is a split-complement of #669aa3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #669aa3
Tints & shades
Harmonies
Contrast
| #669aa3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.13:1 | fail | pass | fail | |
Aaon black | 6.72:1 | 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 #669aa3 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 #669aa3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/669aa3-a2b7be-df4e7e-1f252d-e9f1ee?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