Color

#0b2846

#0b2846
hex#0b2846
rgbrgb(11, 40, 70)
hslhsl(211, 73%, 16%)
oklchoklch(0.273 0.066 252.1)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0203

Colors that go with #0b2846

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 →

#472a0b

#0b4647 · #0c0b47

#470b28 · #28470b

Split-complementary

Open in tool →

#470c0b · #46470b

#470b46 · #472a0b · #0b470c

Contrast

#0b2846 as textRatioAAAA largeAAAFix
Aaon white
14.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #2075cf as the text (4.51:1)
  • AAA: use #5399e4 as the text (7.04:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b2846 as the background.

Brands using this color

Fonts for this mood

#0b2846 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b2846
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 #0b2846 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b2846-9cabc4-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