Color

#263e54

#263e54
hex#263e54
rgbrgb(38, 62, 84)
hslhsl(209, 38%, 24%)
oklchoklch(0.355 0.049 247.3)
Closest name: Capital Blue (#1a4157)Relative luminance 0.045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#543c26

#265454 · #262754

#54263e · #3e5426

Split-complementary

Open in tool →

#542627 · #545426

#542654 · #543c26 · #275426

Contrast

#263e54 as textRatioAAAA largeAAAFix
Aaon white
11.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #4a79a5 as the text (4.57:1)
  • AAA: use #729ac0 as the text (7.1:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263e54 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

#263e54 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263e54
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 #263e54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263e54-9cacc4-df4e4e-1f212d-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