Color
#667c99
#667c99rgb(102, 124, 153)hsl(214, 20%, 50%)oklch(0.58 0.052 255.5)Colors that go with #667c99
Charcoal, Copper and Sea Green 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 #667c99: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
complementaryshippedCopper sits directly opposite #667c99 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #667c99 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blush Pink #e8b4b8
shipped4 real palettes, including Graphite Mono and Rain Garden put Blush Pink beside #667c99, as the accent.
Champagne #f7e7ce
shipped4 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #667c99, as that palette's text colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #667c99: 6 real palettes, including Ink & Paper and Fintech Trust, as the accent.
Crimson #dc143c
shippedCrimson is paired with #667c99 in 9 real palettes, including Retro Pop and Redfin's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #667c99: 10 real palettes, including Campus and Discover's brand system, as the lead colour.
Real palettes that use #667c99
Tints & shades
Harmonies
Contrast
| #667c99 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.28:1 | fail | pass | fail | |
Aaon black | 4.91:1 | 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 #667c99 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 #667c99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/667c99-9ca9c4-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