Color

#1d1b1b

#1d1b1b
hex#1d1b1b
rgbrgb(29, 27, 27)
hslhsl(0, 4%, 11%)
oklchoklch(0.224 0.003 17.4)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0112

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b1d1d

#1d1b1c · #1d1c1b

#1b1d1b · #1b1b1d

Split-complementary

Open in tool →

#1b1d1c · #1b1c1d

#1c1d1b · #1b1d1d · #1c1b1d

Contrast

#1d1b1b as textRatioAAAA largeAAAFix
Aaon white
17.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #7d7373 as the text (4.57:1)
  • AAA: use #9d9595 as the text (7.17:1)
  • AA: or shift the background to #858585 (4.65:1)
  • AAA: or shift the background to #a6a6a6 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d1b1b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d1b1b reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d1b1b
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 #1d1b1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d1b1b-a2beb0-c859d4-1f2d2b-eaf1e9?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