Color

#540315

#540315
hex#540315
rgbrgb(84, 3, 21)
hslhsl(347, 93%, 17%)
oklchoklch(0.286 0.11 17.2)
Closest name: Burned (#520b00)Relative luminance 0.02

Colors that go with #540315

Charcoal, Royal Blue and Sienna 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 →

#035442

#54033d · #541a03

#155403 · #031554

Split-complementary

Open in tool →

#03541a · #033d54

#3d5403 · #035442 · #1a0354

Contrast

#540315 as textRatioAAAA largeAAAFix
Aaon white
14.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #ec093a as the text (4.67:1)
  • AAA: use #f96282 as the text (7.1:1)
  • AA: or shift the background to #8f8f8f (4.64:1)
  • AAA: or shift the background to #b3b3b3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #540315 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

#540315 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #540315
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 #540315 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/540315-c49ca0-62cb82-2d221f-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