Color
#645e35
#645e35rgb(100, 94, 53)hsl(52, 31%, 30%)oklch(0.477 0.06 101)Colors that go with #645e35
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 #645e35: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Slate Blue #6a5acd
complementaryshippedSlate Blue sits directly opposite #645e35 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 #645e35.
Copper #b87333
shippedDesigners have shipped Copper with #645e35: 5 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #645e35: 5 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Peru #cd853f
shipped5 real palettes, including Bakery and Coffee Bar put Peru beside #645e35, as the supporting colour.
Rust #b7410e
shippedRust shows up next to #645e35 in 4 real palettes, including Magazine Ochre and Harvest, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #645e35: 9 real palettes, including Oatmeal and Homestead, as the supporting colour.
Real palettes that use #645e35
Tints & shades
Harmonies
Contrast
| #645e35 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.57:1 | pass | pass | fail |
|
Aaon black | 3.19:1 | 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 #645e35 as the background.
Brands using this color
Fonts for this mood
#645e35 reads as warm, muted, dark. 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 #645e35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/645e35-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