Color

#271b1b

#271b1b
hex#271b1b
rgbrgb(39, 27, 27)
hslhsl(0, 18%, 13%)
oklchoklch(0.237 0.019 18.6)
Closest name: Dark Orchestra (#251b19)Relative luminance 0.0129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b2727

#271b21 · #27211b

#1b271b · #1b1b27

Split-complementary

Open in tool →

#1b2721 · #1b2127

#21271b · #1b2727 · #211b27

Contrast

#271b1b as textRatioAAAA largeAAAFix
Aaon white
16.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #966969 as the text (4.52:1)
  • AAA: use #b08d8d as the text (7.04:1)
  • AA: or shift the background to #858585 (4.52:1)
  • AAA: or shift the background to #a8a8a8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271b1b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#271b1b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271b1b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #271b1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271b1b-c4a19c-62cb98-2d251f-f1e9ed?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