Color

#182a23

#182a23
hex#182a23
rgbrgb(24, 42, 35)
hslhsl(157, 27%, 13%)
oklchoklch(0.267 0.027 167.8)
Closest name: Bitter Liquorice (#262926)Relative luminance 0.0197

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a181f

#182a1a · #18282a

#23182a · #2a2318

Split-complementary

Open in tool →

#2a1828 · #2a1a18

#1a182a · #2a181f · #282a18

Contrast

#182a23 as textRatioAAAA largeAAAFix
Aaon white
15.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #4a826c as the text (4.7:1)
  • AAA: use #60a48a as the text (7.17:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182a23 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#182a23 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182a23
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 #182a23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182a23-a2beb7-d459c4-1f2c2d-e9f1ea?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