Color

#0d263b

#0d263b
hex#0d263b
rgbrgb(13, 38, 59)
hslhsl(207, 64%, 14%)
oklchoklch(0.261 0.05 246.7)
Closest name: Dark (#1b2431)Relative luminance 0.0179

Colors that go with #0d263b

Charcoal, Crimson and Rust 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 →

#3b210d

#0d3b38 · #0d0f3b

#3b0d26 · #263b0d

Split-complementary

Open in tool →

#3b0d0f · #3b380d

#380d3b · #3b210d · #0f3b0d

Contrast

#0d263b as textRatioAAAA largeAAAFix
Aaon white
15.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #297abc as the text (4.6:1)
  • AAA: use #4f9bd8 as the text (7.01:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (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 #0d263b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d263b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d263b
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 #0d263b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d263b-9cadc4-df4e53-1f212d-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