Color

#240d68

#240d68
hex#240d68
rgbrgb(36, 13, 104)
hslhsl(255, 78%, 23%)
oklchoklch(0.272 0.142 283.1)
Closest name: Blackmail (#220066)Relative luminance 0.0166

Colors that go with #240d68

Charcoal, Denim and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#52680d

#0d2468 · #520d68

#68240d · #0d6824

Split-complementary

Open in tool →

#68520d · #24680d

#680d24 · #52680d · #0d6852

Contrast

#240d68 as textRatioAAAA largeAAAFix
Aaon white
15.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #7f5ceb as the text (4.63:1)
  • AAA: use #9f84f0 as the text (7.03:1)
  • AA: or shift the background to #8a8a8a (4.57:1)
  • AAA: or shift the background to #adadad (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 #240d68 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

#240d68 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240d68
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #240d68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240d68-ab9cc4-dfbd4e-291f2d-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