Color

#263131

#263131
hex#263131
rgbrgb(38, 49, 49)
hslhsl(180, 13%, 17%)
oklchoklch(0.303 0.015 196.4)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0283

Tints & shades

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

Harmonies

Complementary

Open in tool →

#312626

#26312b · #262b31

#312631 · #313126

Split-complementary

Open in tool →

#31262b · #312b26

#2b2631 · #312626 · #2b3126

Contrast

#263131 as textRatioAAAA largeAAAFix
Aaon white
13.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #5f7c7c as the text (4.66:1)
  • AAA: use #7d9b9b as the text (7.03:1)
  • AA: or shift the background to #969696 (4.53:1)
  • AAA: or shift the background to #bdbdbd (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263131 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#263131 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263131
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 #263131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263131-a2bbbe-d45994-1f272d-e9f1ed?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