Color

#2a181e

#2a181e
hex#2a181e
rgbrgb(42, 24, 30)
hslhsl(340, 27%, 13%)
oklchoklch(0.235 0.031 358.1)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0124

Tints & shades

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

Harmonies

Complementary

Open in tool →

#182a24

#2a1827 · #2a1b18

#1e2a18 · #181e2a

Split-complementary

Open in tool →

#182a1b · #18272a

#272a18 · #182a24 · #1b182a

Contrast

#2a181e as textRatioAAAA largeAAAFix
Aaon white
16.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #a46077 as the text (4.52:1)
  • AAA: use #ba8798 as the text (7.01:1)
  • AA: or shift the background to #858585 (4.56:1)
  • AAA: or shift the background to #a8a8a8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a181e as the background.

Brands using this color

Fonts for this mood

#2a181e reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a181e
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 #2a181e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a181e-c49ca5-62cb75-2d211f-f1e9f0?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