Color

#1b2822

#1b2822
hex#1b2822
rgbrgb(27, 40, 34)
hslhsl(152, 19%, 13%)
oklchoklch(0.263 0.021 164.7)
Closest name: Underworld (#1e231c)Relative luminance 0.0187

Tints & shades

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

Harmonies

Complementary

Open in tool →

#271b21

#1b271b · #1b2727

#221b27 · #27221b

Split-complementary

Open in tool →

#271b27 · #271b1b

#1b1b27 · #271b21 · #27271b

Contrast

#1b2822 as textRatioAAAA largeAAAFix
Aaon white
15.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #577f6c as the text (4.66:1)
  • AAA: use #73a08b as the text (7.13:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b2822 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b2822 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b2822
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 #1b2822 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b2822-a2beb4-d459ce-1f2d2d-e9f1ea?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