Color

#263a5a

#263a5a
hex#263a5a
rgbrgb(38, 58, 90)
hslhsl(217, 41%, 25%)
oklchoklch(0.348 0.062 259.5)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0418

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a4626

#26545a · #2c265a

#5a263a · #3a5a26

Split-complementary

Open in tool →

#5a2c26 · #545a26

#5a2654 · #5a4626 · #265a2c

Contrast

#263a5a as textRatioAAAA largeAAAFix
Aaon white
11.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #4f76b5 as the text (4.59:1)
  • AAA: use #7a98c7 as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263a5a 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

#263a5a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263a5a
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 #263a5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263a5a-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