Color

#0b246f

#0b246f
hex#0b246f
rgbrgb(11, 36, 111)
hslhsl(225, 82%, 24%)
oklchoklch(0.3 0.133 264.8)
Closest name: Black Sea Night (#052462)Relative luminance 0.0248

Colors that go with #0b246f

Charcoal, Steel Blue and Blue 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 →

#6f560b

#0b566f · #240b6f

#6f0b24 · #246f0b

Split-complementary

Open in tool →

#6f240b · #566f0b

#6f0b56 · #6f560b · #0b6f24

Contrast

#0b246f as textRatioAAAA largeAAAFix
Aaon white
14.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #416cec as the text (4.58:1)
  • AAA: use #7493f1 as the text (7.19:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (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 #0b246f as the background.

Brands using this color

Fonts for this mood

#0b246f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b246f
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 #0b246f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b246f-9ca1c4-df754e-221f2d-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