Color

#20231b

#20231b
hex#20231b
rgbrgb(32, 35, 27)
hslhsl(83, 13%, 12%)
oklchoklch(0.25 0.015 124.2)
Closest name: Underworld (#1e231c)Relative luminance 0.0159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e1b23

#23221b · #1c231b

#1b2023 · #231b20

Split-complementary

Open in tool →

#1b1c23 · #221b23

#1b2322 · #1e1b23 · #231b1c

Contrast

#20231b as textRatioAAAA largeAAAFix
Aaon white
15.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #6e795d as the text (4.56:1)
  • AAA: use #909b7d as the text (7.17:1)
  • AA: or shift the background to #8a8a8a (4.62:1)
  • AAA: or shift the background to #adadad (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20231b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#20231b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20231b
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 #20231b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20231b-b0bea2-4e5ddf-222d1f-f1f0e9?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