Sepia Mono
Open in tool →A single warm brown from espresso to oat — the sepia scale as a working palette, not a filter.
Color
#37251f
#37251f
hex
#37251frgb
rgb(55, 37, 31)hsl
hsl(15, 28%, 17%)oklch
oklch(0.285 0.03 39.2)Closest name: Aubergine (#372528)Relative luminance 0.0223
Colors that go with #37251f
Charcoal, Amber and Blue 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 that reads cleanly against #37251f without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #37251f in 18 real palettes, including McDonald's's brand system and Wikipedia's brand system, as the lead colour.
Blue #0000ff
shipped22 real palettes, including Tim Hortons's brand system and Headspace's brand system put Blue beside #37251f, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #37251f in 6 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped7 real palettes, including Blush and Graphite Mono put Blush Pink beside #37251f, as the supporting colour.
Brown #a52a2a
shipped4 real palettes, including Typewriter and Woodsmoke put Brown beside #37251f, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #37251f in 5 real palettes, including Kiln and Polaroid, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #37251f: 10 real palettes, including Clean Beauty and SoFi's brand system, as the lead colour.
Real palettes that use #37251f
Tints & shades
Harmonies
Contrast
| #37251f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.51:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.45:1 | 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 #37251f 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
#37251f reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #37251f
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 #37251f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37251f-c4ab9c-62cbb2-2d291f-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