Color
#645f3f
#645f3frgb(100, 95, 63)hsl(52, 23%, 32%)oklch(0.482 0.048 100.4)Colors that go with #645f3f
Charcoal, Slate Blue and Champagne 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 body-text near-black for #645f3f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Slate Blue #6a5acd
complementaryshippedSlate Blue sits directly opposite #645f3f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #645f3f.
Copper #b87333
shippedDesigners have shipped Copper with #645f3f: 5 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #645f3f in 4 real palettes, including Gemstone and Five Guys's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #645f3f: 6 real palettes, including HP's brand system and Intel's brand system, as the accent.
Peru #cd853f
shipped5 real palettes, including Coffee Bar and Bakery put Peru beside #645f3f, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #645f3f in 5 real palettes, including Subaru's brand system and GitHub's brand system, as the supporting colour.
Real palettes that use #645f3f
Tints & shades
Harmonies
Contrast
| #645f3f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.46:1 | pass | pass | fail |
|
Aaon black | 3.25:1 | 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 #645f3f as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#645f3f reads as warm, muted, editorial. The font library is tagged with the same vocabulary:
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 #645f3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/645f3f-c4c39c-4ea7df-292d1f-f1ece9?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