Color

#263c73

#263c73
hex#263c73
rgbrgb(38, 60, 115)
hslhsl(223, 50%, 30%)
oklchoklch(0.369 0.098 265.5)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0488

Colors that go with #263c73

Steel Blue, Blue and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#735d26

#266273 · #372673

#73263c · #3c7326

Split-complementary

Open in tool →

#733726 · #627326

#732662 · #735d26 · #267337

Contrast

#263c73 as textRatioAAAA largeAAAFix
Aaon white
10.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #5373c6 as the text (4.64:1)
  • AAA: use #7d96d4 as the text (7.19:1)
  • AA: or shift the background to #ababab (4.63:1)
  • AAA: or shift the background to #d4d4d4 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263c73 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

#263c73 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263c73
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #263c73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263c73-9ca3c4-df704e-211f2d-e9eff1?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