Color

#240a67

#240a67
hex#240a67
rgbrgb(36, 10, 103)
hslhsl(257, 82%, 22%)
oklchoklch(0.268 0.143 283.8)
Closest name: Blackmail (#220066)Relative luminance 0.0157

Colors that go with #240a67

Charcoal, Royal Blue and 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 →

#4c660a

#0a1e66 · #520a66

#66240a · #0a6624

Split-complementary

Open in tool →

#66520a · #1e660a

#660a1e · #4c660a · #0a6652

Contrast

#240a67 as textRatioAAAA largeAAAFix
Aaon white
15.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #8358ee as the text (4.6:1)
  • AAA: use #a282f3 as the text (7.02:1)
  • AA: or shift the background to #8a8a8a (4.63:1)
  • AAA: or shift the background to #adadad (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #240a67 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

#240a67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240a67
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 #240a67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240a67-ac9cc4-dfc24e-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