Color

#263c5f

#263c5f
hex#263c5f
rgbrgb(38, 60, 95)
hslhsl(217, 43%, 26%)
oklchoklch(0.356 0.067 259.3)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0447

Colors that go with #263c5f

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 #263c5f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f4926

#26585f · #2c265f

#5f263c · #3c5f26

Split-complementary

Open in tool →

#5f2c26 · #585f26

#5f2658 · #5f4926 · #265f2c

Contrast

#263c5f as textRatioAAAA largeAAAFix
Aaon white
11.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #4c76b8 as the text (4.59:1)
  • AAA: use #7897c9 as the text (7.07:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263c5f 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

#263c5f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263c5f
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 #263c5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263c5f-9ca7c4-df624e-201f2d-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