Sepia Mono
Open in tool →A single warm brown from espresso to oat — the sepia scale as a working palette, not a filter.
Color
#634a40
#634a40
hex
#634a40rgb
rgb(99, 74, 64)hsl
hsl(17, 21%, 32%)oklch
oklch(0.433 0.038 42.8)Closest name: Black Power (#654b37)Relative luminance 0.0792
Colors that go with #634a40
Teal, 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.
Teal #008080
complementaryshippedTeal sits directly opposite #634a40 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #634a40, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #634a40: 6 real palettes, including Desert Road and Bramble, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #634a40: 4 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #634a40 in 5 real palettes, including Console Light and Subaru's brand system, as the lead colour.
Rust #b7410e
shippedRust shows up next to #634a40 in 4 real palettes, including Magazine Ochre and Trailhead, as the lead colour.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #634a40: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cream #fffdd0
neutralCream is the surface #634a40 wants: a warm off-white that shares its undertone, so #634a40 reads softer on it than on pure white.
Real palettes that use #634a40
Tints & shades
Harmonies
Contrast
| #634a40 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.13:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.58:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #634a40 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#634a40 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #634a40
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #634a40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/634a40-c4ac9c-62cbb6-2d291f-f1e9eb?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