Color

#243e94

#243e94
hex#243e94
rgbrgb(36, 62, 148)
hslhsl(226, 61%, 36%)
oklchoklch(0.399 0.145 266.8)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0596

Colors that go with #243e94

Charcoal, Sea Green and Steel 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 →

#947a24

#247694 · #422494

#94243e · #3e9424

Split-complementary

Open in tool →

#944224 · #769424

#942476 · #947a24 · #249442

Contrast

#243e94 as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #4e6ed4 as the text (4.51:1)
  • AAA: use #7c93df as the text (7.1:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (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 #243e94 as the background.

Brands using this color

Fonts for this mood

#243e94 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #243e94
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 #243e94 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/243e94-9ca1c4-df774e-221f2d-e9eff1?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