Color
#665d79
#665d79rgb(102, 93, 121)hsl(259, 13%, 42%)oklch(0.497 0.045 299.5)Colors that go with #665d79
Charcoal, Champagne and Copper 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 #665d79: softer than #000 and cool enough to feel like part of the same palette.
Champagne #f7e7ce
shipped5 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #665d79.
Copper #b87333
shippedDesigners have shipped Copper with #665d79: 5 real palettes, including Dusk and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #665d79 in 5 real palettes, including Retro Pop and Amazon's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #665d79: 4 real palettes, including HP's brand system and Campus, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #665d79: 4 real palettes, including Newsprint and Fireside, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #665d79 in 4 real palettes, including Open House and Mid-Century, as the accent.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #665d79 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #665d79
Tints & shades
Harmonies
Contrast
| #665d79 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.16:1 | pass | pass | fail |
|
Aaon black | 3.41:1 | 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 #665d79 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 #665d79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/665d79-ad9cc4-dfc74e-2a1f2d-e9ebf1?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