Color

#0d263f

#0d263f
hex#0d263f
rgbrgb(13, 38, 63)
hslhsl(210, 66%, 15%)
oklchoklch(0.263 0.056 250.8)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0183

Colors that go with #0d263f

Charcoal, Crimson and Sea Green 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 →

#3f260d

#0d3f3f · #0d0d3f

#3f0d26 · #263f0d

Split-complementary

Open in tool →

#3f0d0d · #3f3f0d

#3f0d3f · #3f260d · #0d3f0d

Contrast

#0d263f as textRatioAAAA largeAAAFix
Aaon white
15.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #2978c7 as the text (4.61:1)
  • AAA: use #5a9cdd as the text (7.23:1)
  • AA: or shift the background to #8c8c8c (4.57:1)
  • AAA: or shift the background to #b0b0b0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d263f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d263f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d263f
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 #0d263f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d263f-9cabc4-df514e-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