Color

#243738

#243738
hex#243738
rgbrgb(36, 55, 56)
hslhsl(183, 22%, 18%)
oklchoklch(0.321 0.025 200.1)
Closest name: Aztec (#293432)Relative luminance 0.0339

Tints & shades

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

Harmonies

Complementary

Open in tool →

#382524

#24382f · #242d38

#382437 · #373824

Split-complementary

Open in tool →

#38242d · #382f24

#2f2438 · #382524 · #2d3824

Contrast

#243738 as textRatioAAAA largeAAAFix
Aaon white
12.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #527d80 as the text (4.6:1)
  • AAA: use #6d9fa2 as the text (7.13:1)
  • AA: or shift the background to #9c9c9c (4.56:1)
  • AAA: or shift the background to #c2c2c2 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #243738 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

#243738 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #243738
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 #243738 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/243738-a2b9be-d4598e-1f262d-e9f1ee?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