Color

#23271b

#23271b
hex#23271b
rgbrgb(35, 39, 27)
hslhsl(80, 18%, 13%)
oklchoklch(0.265 0.022 122.9)
Closest name: Underworld (#1e231c)Relative luminance 0.0189

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1b27

#27251b · #1d271b

#1b2327 · #271b23

Split-complementary

Open in tool →

#1b1d27 · #251b27

#1b2725 · #1f1b27 · #271b1d

Contrast

#23271b as textRatioAAAA largeAAAFix
Aaon white
15.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #6f7b56 as the text (4.64:1)
  • AAA: use #8c9b6f as the text (7.03:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23271b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#23271b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23271b
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 #23271b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23271b-b1bea2-4e64df-232d1f-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