Color

#263c4a

#263c4a
hex#263c4a
rgbrgb(38, 60, 74)
hslhsl(203, 32%, 22%)
oklchoklch(0.344 0.037 237.2)
Closest name: Astral Nomad (#203943)Relative luminance 0.0414

Colors that go with #263c4a

Dark Olive Green, Steel Blue and Teal 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 →

#4a3426

#264a46 · #262a4a

#4a263c · #3c4a26

Split-complementary

Open in tool →

#4a262a · #4a4626

#46264a · #4a3426 · #2a4a26

Contrast

#263c4a as textRatioAAAA largeAAAFix
Aaon white
11.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #4e7b97 as the text (4.6:1)
  • AAA: use #729cb6 as the text (7.15:1)
  • AA: or shift the background to #a3a3a3 (4.56:1)
  • AAA: or shift the background to #cccccc (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263c4a as the background.

Brands using this color

Fonts for this mood

#263c4a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263c4a
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 #263c4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263c4a-9cb0c4-df4e5d-1f222d-e9f1f0?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