Color

#183263

#183263
hex#183263
rgbrgb(24, 50, 99)
hslhsl(219, 61%, 24%)
oklchoklch(0.326 0.092 261.7)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0338

Tints & shades

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

Harmonies

Complementary

Open in tool →

#634818

#185763 · #231863

#631832 · #326318

Split-complementary

Open in tool →

#632318 · #576318

#631857 · #634818 · #186323

Contrast

#183263 as textRatioAAAA largeAAAFix
Aaon white
12.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #4274d1 as the text (4.65:1)
  • AAA: use #6f95dc as the text (7.01:1)
  • AA: or shift the background to #9c9c9c (4.57:1)
  • AAA: or shift the background to #c2c2c2 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183263 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

#183263 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183263
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 #183263 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183263-9ca5c4-df664e-211f2d-e9f0f1?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