Color

#243451

#243451
hex#243451
rgbrgb(36, 52, 81)
hslhsl(219, 38%, 23%)
oklchoklch(0.326 0.056 261.7)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0343

Tints & shades

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

Harmonies

Complementary

Open in tool →

#514124

#244a51 · #2b2451

#512434 · #345124

Split-complementary

Open in tool →

#512b24 · #4a5124

#51244a · #514124 · #24512b

Contrast

#243451 as textRatioAAAA largeAAAFix
Aaon white
12.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #5374b2 as the text (4.51:1)
  • AAA: use #7d96c5 as the text (7.04:1)
  • AA: or shift the background to #9c9c9c (4.54:1)
  • AAA: or shift the background to #c4c4c4 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #243451 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

#243451 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #243451
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 #243451 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/243451-9ca5c4-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