Color

#240e90

#240e90
hex#240e90
rgbrgb(36, 14, 144)
hslhsl(250, 82%, 31%)
oklchoklch(0.322 0.189 275.2)
Closest name: Dramatic Blue (#240093)Relative luminance 0.027

Colors that go with #240e90

Steel Blue, Charcoal and Crimson 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 →

#7a900e

#0e3990 · #650e90

#90240e · #0e9024

Split-complementary

Open in tool →

#90650e · #39900e

#900e39 · #7a900e · #0e9065

Contrast

#240e90 as textRatioAAAA largeAAAFix
Aaon white
13.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #755def as the text (4.57:1)
  • AAA: use #9886f3 as the text (7.04:1)
  • AA: or shift the background to #969696 (4.61:1)
  • AAA: or shift the background to #bababa (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 #240e90 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

#240e90 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240e90
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 #240e90 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240e90-a79cc4-dfb14e-281f2d-e9ecf1?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