Color

#240458

#240458
hex#240458
rgbrgb(36, 4, 88)
hslhsl(263, 91%, 18%)
oklchoklch(0.244 0.131 289.9)
Closest name: Blackmail (#220066)Relative luminance 0.0117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#385804

#040e58 · #4e0458

#582404 · #045824

Split-complementary

Open in tool →

#584e04 · #0e5804

#58040e · #385804 · #04584e

Contrast

#240458 as textRatioAAAA largeAAAFix
Aaon white
17.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #9050f7 as the text (4.68:1)
  • AAA: use #af80f9 as the text (7.28:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240458 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

#240458 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240458
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 #240458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240458-b09cc4-dfd04e-2b1f2d-e9eaf1?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