Color

#243166

#243166
hex#243166
rgbrgb(36, 49, 102)
hslhsl(228, 48%, 27%)
oklchoklch(0.333 0.094 270.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0353

Tints & shades

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

Harmonies

Complementary

Open in tool →

#665924

#245266 · #382466

#662431 · #316624

Split-complementary

Open in tool →

#663824 · #526624

#662452 · #665924 · #246638

Contrast

#243166 as textRatioAAAA largeAAAFix
Aaon white
12.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #5d72c6 as the text (4.69:1)
  • AAA: use #8293d3 as the text (7.06:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #243166 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

#243166 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #243166
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 #243166 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/243166-9c9fc4-df7c4e-231f2d-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