Color

#2b274f

#2b274f
hex#2b274f
rgbrgb(43, 39, 79)
hslhsl(246, 34%, 23%)
oklchoklch(0.299 0.071 285.8)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0253

Colors that go with #2b274f

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 →

#4b4f27

#27374f · #3f274f

#4f2b27 · #274f2b

Split-complementary

Open in tool →

#4f3f27 · #374f27

#4f2737 · #4b4f27 · #274f3f

Contrast

#2b274f as textRatioAAAA largeAAAFix
Aaon white
13.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #746cb7 as the text (4.57:1)
  • AAA: use #9792c9 as the text (7.27:1)
  • AA: or shift the background to #949494 (4.6:1)
  • AAA: or shift the background to #b8b8b8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b274f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2b274f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b274f
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 #2b274f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b274f-a59cc4-dfa74e-271f2d-e9ecf1?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