Color

#1b221b

#1b221b
hex#1b221b
rgbrgb(27, 34, 27)
hslhsl(120, 11%, 12%)
oklchoklch(0.242 0.017 145)
Closest name: Underworld (#1e231c)Relative luminance 0.0146

Tints & shades

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

Harmonies

Complementary

Open in tool →

#221b22

#1f221b · #1b221f

#1b1b22 · #221b1b

Split-complementary

Open in tool →

#1f1b22 · #221b1f

#1b1f22 · #221b22 · #221f1b

Contrast

#1b221b as textRatioAAAA largeAAAFix
Aaon white
16.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #647d64 as the text (4.66:1)
  • AAA: use #859d85 as the text (7.16:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b221b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b221b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b221b
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 #1b221b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b221b-a2bea5-994edf-1f2d25-edf1e9?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