Color

#2a2118

#2a2118
hex#2a2118
rgbrgb(42, 33, 24)
hslhsl(30, 27%, 13%)
oklchoklch(0.255 0.021 66.6)
Closest name: Underworld (#1e231c)Relative luminance 0.0165

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18212a

#2a1818 · #2a2a18

#182a21 · #21182a

Split-complementary

Open in tool →

#182a2a · #18182a

#182a18 · #18212a · #2a182a

Contrast

#2a2118 as textRatioAAAA largeAAAFix
Aaon white
15.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #8e7052 as the text (4.59:1)
  • AAA: use #af9174 as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a2118 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a2118 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a2118
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 #2a2118 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a2118-c4b59c-62c9cb-2d2c1f-f1eae9?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