Color

#23231a

#23231a
hex#23231a
rgbrgb(35, 35, 26)
hslhsl(60, 15%, 12%)
oklchoklch(0.253 0.016 107.5)
Closest name: Underworld (#1e231c)Relative luminance 0.0163

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a1a23

#231f1a · #1f231a

#1a2323 · #231a23

Split-complementary

Open in tool →

#1a1f23 · #1f1a23

#1a231f · #1a1a23 · #231a1f

Contrast

#23231a as textRatioAAAA largeAAAFix
Aaon white
15.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #787859 as the text (4.63:1)
  • AAA: use #999975 as the text (7.17:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23231a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/23231a-bbbea2-4e94df-272d1f-f1ede9?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