Color

#263e4f

#263e4f
hex#263e4f
rgbrgb(38, 62, 79)
hslhsl(205, 35%, 23%)
oklchoklch(0.352 0.042 240.4)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0442

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f3726

#264f4c · #262a4f

#4f263e · #3e4f26

Split-complementary

Open in tool →

#4f262a · #4f4c26

#4c264f · #4f3726 · #2a4f26

Contrast

#263e4f as textRatioAAAA largeAAAFix
Aaon white
11.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #4b799b as the text (4.51:1)
  • AAA: use #729dbb as the text (7.26:1)
  • AA: or shift the background to #a6a6a6 (4.58:1)
  • AAA: or shift the background to #cfcfcf (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 #263e4f 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

#263e4f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263e4f
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 #263e4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263e4f-9cafc4-df4e58-1f212d-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