Color

#263f6d

#263f6d
hex#263f6d
rgbrgb(38, 63, 109)
hslhsl(219, 48%, 29%)
oklchoklch(0.372 0.085 261.6)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0507

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5526

#26636d · #31266d

#6d263f · #3f6d26

Split-complementary

Open in tool →

#6d3126 · #636d26

#6d2663 · #6d5526 · #266d31

Contrast

#263f6d as textRatioAAAA largeAAAFix
Aaon white
10.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #4e76c1 as the text (4.69:1)
  • AAA: use #7796cf as the text (7.05:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263f6d 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

#263f6d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263f6d
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 #263f6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263f6d-9ca5c4-df664e-211f2d-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