Color

#281011

#281011
hex#281011
rgbrgb(40, 16, 17)
hslhsl(357, 43%, 11%)
oklchoklch(0.21 0.04 18.5)
Closest name: Italian Roast (#221111)Relative luminance 0.0086

Tints & shades

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

Harmonies

Complementary

Open in tool →

#102827

#28101d · #281b10

#112810 · #101128

Split-complementary

Open in tool →

#10281b · #101d28

#1d2810 · #102827 · #1b1028

Contrast

#281011 as textRatioAAAA largeAAAFix
Aaon white
17.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #bb5459 as the text (4.53:1)
  • AAA: use #ce8387 as the text (7.22:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281011 as the background.

Brands using this color

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

Fonts for this mood

#281011 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281011
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 #281011 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281011-c49f9c-62cb93-2d251f-f1e9ed?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