Color

#243e7a

#243e7a
hex#243e7a
rgbrgb(36, 62, 122)
hslhsl(222, 54%, 31%)
oklchoklch(0.378 0.107 264.3)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0523

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a6024

#24697a · #35247a

#7a243e · #3e7a24

Split-complementary

Open in tool →

#7a3524 · #697a24

#7a2469 · #7a6024 · #247a35

Contrast

#243e7a as textRatioAAAA largeAAAFix
Aaon white
10.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #4e73ca as the text (4.63:1)
  • AAA: use #7996d7 as the text (7.16:1)
  • AA: or shift the background to #adadad (4.58:1)
  • AAA: or shift the background to #d6d6d6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #243e7a 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

#243e7a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #243e7a
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 #243e7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/243e7a-9ca3c4-df6e4e-211f2d-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