Color

#263c54

#263c54
hex#263c54
rgbrgb(38, 60, 84)
hslhsl(211, 38%, 24%)
oklchoklch(0.349 0.051 251.5)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0428

Colors that go with #263c54

Dark Olive Green, Teal and Sienna 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 →

#543e26

#265454 · #272654

#54263c · #3c5426

Split-complementary

Open in tool →

#542726 · #545426

#542654 · #543e26 · #265427

Contrast

#263c54 as textRatioAAAA largeAAAFix
Aaon white
11.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #4c79a9 as the text (4.62:1)
  • AAA: use #769ac1 as the text (7.16:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (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 #263c54 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

#263c54 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263c54
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 #263c54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263c54-9cabc4-df534e-1f202d-e9f1f1?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