Color

#2c313a

#2c313a
hex#2c313a
rgbrgb(44, 49, 58)
hslhsl(219, 14%, 20%)
oklchoklch(0.312 0.018 262.2)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0304

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a352c

#2c383a · #2e2c3a

#3a2c31 · #313a2c

Split-complementary

Open in tool →

#3a2e2c · #383a2c

#3a2c38 · #3a352c · #2c3a2e

Contrast

#2c313a as textRatioAAAA largeAAAFix
Aaon white
13.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #69758c as the text (4.52:1)
  • AAA: use #8e97a9 as the text (7.15:1)
  • AA: or shift the background to #999999 (4.59:1)
  • AAA: or shift the background to #bfbfbf (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 #2c313a as the background.

Brands using this color

Fonts for this mood

#2c313a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c313a
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 #2c313a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c313a-9ca5c4-df664e-211f2d-e9f0f1?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