Color

#0f263e

#0f263e
hex#0f263e
rgbrgb(15, 38, 62)
hslhsl(211, 61%, 15%)
oklchoklch(0.264 0.054 251.4)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0184

Colors that go with #0f263e

Charcoal, Sea Green and Sienna 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 →

#3e270f

#0f3d3e · #100f3e

#3e0f25 · #253e0f

Split-complementary

Open in tool →

#3e100f · #3d3e0f

#3e0f3d · #3e270f · #0f3e10

Contrast

#0f263e as textRatioAAAA largeAAAFix
Aaon white
15.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #3078c5 as the text (4.62:1)
  • AAA: use #5f9ad8 as the text (7.1:1)
  • AA: or shift the background to #8c8c8c (4.57:1)
  • AAA: or shift the background to #b0b0b0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f263e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f263e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f263e
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 #0f263e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f263e-9cabc4-df534e-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