Color

#23201b

#23201b
hex#23201b
rgbrgb(35, 32, 27)
hslhsl(37, 13%, 12%)
oklchoklch(0.245 0.01 80.6)
Closest name: Underworld (#1e231c)Relative luminance 0.0147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b1e23

#231c1b · #22231b

#1b2320 · #201b23

Split-complementary

Open in tool →

#1b2223 · #1c1b23

#1b231c · #1b1e23 · #231b22

Contrast

#23201b as textRatioAAAA largeAAAFix
Aaon white
16.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #7f7462 as the text (4.58:1)
  • AAA: use #a09583 as the text (7.12:1)
  • AA: or shift the background to #878787 (4.52:1)
  • AAA: or shift the background to #ababab (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23201b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#23201b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23201b
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 #23201b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23201b-c4b99c-62bdcb-2c2d1f-f1eae9?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