Color

#23231f

#23231f
hex#23231f
rgbrgb(35, 35, 31)
hslhsl(60, 6%, 13%)
oklchoklch(0.255 0.007 106.9)
Closest name: Underworld (#1e231c)Relative luminance 0.0166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1f23

#23211f · #21231f

#1f2323 · #231f23

Split-complementary

Open in tool →

#1f2123 · #211f23

#1f2321 · #1f1f23 · #231f21

Contrast

#23231f as textRatioAAAA largeAAAFix
Aaon white
15.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #777769 as the text (4.63:1)
  • AAA: use #969688 as the text (7.01:1)
  • AA: or shift the background to #8a8a8a (4.57:1)
  • AAA: or shift the background to #adadad (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 #23231f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#23231f reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23231f
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 #23231f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23231f-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