Color

#51001a

#51001a
hex#51001a
rgbrgb(81, 0, 26)
hslhsl(341, 100%, 16%)
oklchoklch(0.278 0.111 11.3)
Closest name: What We Do in the Shadows (#441122)Relative luminance 0.0182

Colors that go with #51001a

Charcoal, Denim and Teal 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#005238

#520043 · #520f00

#1a5200 · #001a52

Split-complementary

Open in tool →

#00520f · #004352

#435200 · #005238 · #0f0052

Contrast

#51001a as textRatioAAAA largeAAAFix
Aaon white
15.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #eb004a as the text (4.63:1)
  • AAA: use #ff5c8f as the text (7.18:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51001a 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

#51001a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51001a
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #51001a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51001a-c49ca4-62cb77-2d211f-f1e9ef?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md