Color

#28241b

#28241b
hex#28241b
rgbrgb(40, 36, 27)
hslhsl(42, 19%, 13%)
oklchoklch(0.262 0.017 86.9)
Closest name: Underworld (#1e231c)Relative luminance 0.0179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b1f27

#271d1b · #25271b

#1b2724 · #241b27

Split-complementary

Open in tool →

#1b2527 · #1d1b27

#1b271d · #1b1f27 · #271b25

Contrast

#28241b as textRatioAAAA largeAAAFix
Aaon white
15.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #827659 as the text (4.68:1)
  • AAA: use #a29576 as the text (7.1:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28241b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28241b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28241b
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 #28241b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28241b-c4bc9c-62b4cb-2b2d1f-f1ebe9?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