Color

#272a45

#272a45
hex#272a45
rgbrgb(39, 42, 69)
hslhsl(234, 28%, 21%)
oklchoklch(0.296 0.049 278.1)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0252

Colors that go with #272a45

Dark Olive Green, Sienna and Slate 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 →

#454227

#273945 · #332745

#45272a · #2a4527

Split-complementary

Open in tool →

#453327 · #394527

#452739 · #454227 · #274533

Contrast

#272a45 as textRatioAAAA largeAAAFix
Aaon white
13.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #6c73ac as the text (4.69:1)
  • AAA: use #9095c1 as the text (7.25:1)
  • AA: or shift the background to #949494 (4.6:1)
  • AAA: or shift the background to #b8b8b8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #272a45 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#272a45 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #272a45
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 #272a45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/272a45-9d9cc4-df8a4e-241f2d-e9eef1?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