Color

#282631

#282631
hex#282631
rgbrgb(40, 38, 49)
hslhsl(251, 13%, 17%)
oklchoklch(0.276 0.02 293.4)
Closest name: Anthracite (#28282d)Relative luminance 0.0206

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f3126

#262931 · #2d2631

#312826 · #263128

Split-complementary

Open in tool →

#312d26 · #293126

#312629 · #2f3126 · #26312d

Contrast

#282631 as textRatioAAAA largeAAAFix
Aaon white
14.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #787292 as the text (4.62:1)
  • AAA: use #9994ad as the text (7.19:1)
  • AA: or shift the background to #8f8f8f (4.6:1)
  • AAA: or shift the background to #b3b3b3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282631 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#282631 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282631
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 #282631 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282631-a89cc4-dfb34e-281f2d-e9ecf1?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