Color

#263c45

#263c45
hex#263c45
rgbrgb(38, 60, 69)
hslhsl(197, 29%, 21%)
oklchoklch(0.342 0.032 225.6)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0407

Colors that go with #263c45

Dark Olive Green, Steel Blue and Teal 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 →

#452f26

#26453e · #262d45

#45263c · #3c4526

Split-complementary

Open in tool →

#45262d · #453e26

#3e2645 · #452f26 · #2d4526

Contrast

#263c45 as textRatioAAAA largeAAAFix
Aaon white
11.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #4e7b8d as the text (4.54:1)
  • AAA: use #6e9daf as the text (7.1:1)
  • AA: or shift the background to #a3a3a3 (4.59:1)
  • AAA: or shift the background to #cccccc (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263c45 as the background.

Brands using this color

Fonts for this mood

#263c45 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263c45
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 #263c45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263c45-9cb4c4-df4e6b-1f232d-e9f1ef?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