Color

#263e5a

#263e5a
hex#263e5a
rgbrgb(38, 62, 90)
hslhsl(212, 41%, 25%)
oklchoklch(0.358 0.057 253.1)
Closest name: Capital Blue (#1a4157)Relative luminance 0.046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a4126

#26585a · #27265a

#5a263e · #3e5a26

Split-complementary

Open in tool →

#5a2726 · #585a26

#5a2658 · #5a4126 · #265a27

Contrast

#263e5a as textRatioAAAA largeAAAFix
Aaon white
10.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #4877ad as the text (4.52:1)
  • AAA: use #7399c4 as the text (7.08:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (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 #263e5a 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

#263e5a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263e5a
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 #263e5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263e5a-9caac4-df564e-1f202d-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