Color

#240e71

#240e71
hex#240e71
rgbrgb(36, 14, 113)
hslhsl(253, 78%, 25%)
oklchoklch(0.284 0.152 280.7)
Closest name: Child of the Night (#220077)Relative luminance 0.0188

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c710e

#0e2a71 · #550e71

#71240e · #0e7124

Split-complementary

Open in tool →

#71550e · #2a710e

#710e2a · #5c710e · #0e7155

Contrast

#240e71 as textRatioAAAA largeAAAFix
Aaon white
15.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #7b5ceb as the text (4.57:1)
  • AAA: use #9f89f0 as the text (7.31:1)
  • AA: or shift the background to #8c8c8c (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240e71 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

#240e71 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240e71
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 #240e71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240e71-a99cc4-dfb84e-281f2d-e9ebf1?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