Color

#2b223f

#2b223f
hex#2b223f
rgbrgb(43, 34, 63)
hslhsl(259, 30%, 19%)
oklchoklch(0.277 0.053 297.1)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0202

Colors that go with #2b223f

Charcoal, Dark Olive Green 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 →

#363f22

#22273f · #3a223f

#3f2b22 · #223f2b

Split-complementary

Open in tool →

#3f3a22 · #273f22

#3f2227 · #363f22 · #223f3a

Contrast

#2b223f as textRatioAAAA largeAAAFix
Aaon white
14.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #806aaf as the text (4.6:1)
  • AAA: use #9f8ec2 as the text (7.12:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b223f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2b223f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b223f
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 #2b223f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b223f-ad9cc4-dfc74e-2a1f2d-e9ebf1?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