Color

#263f5f

#263f5f
hex#263f5f
rgbrgb(38, 63, 95)
hslhsl(214, 43%, 26%)
oklchoklch(0.363 0.064 255.2)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0479

Colors that go with #263f5f

Sienna, Blush Pink and Cadet Blue 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.

Real palettes that use #263f5f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f4626

#265b5f · #2a265f

#5f263e · #3e5f26

Split-complementary

Open in tool →

#5f2a26 · #5b5f26

#5f265b · #5f4626 · #265f2a

Contrast

#263f5f as textRatioAAAA largeAAAFix
Aaon white
10.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #4776b3 as the text (4.51:1)
  • AAA: use #7499c8 as the text (7.13:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263f5f 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

#263f5f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263f5f
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 #263f5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263f5f-9ca9c4-df5a4e-1f1f2d-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