Color

#27435d

#27435d
hex#27435d
rgbrgb(39, 67, 93)
hslhsl(209, 41%, 26%)
oklchoklch(0.373 0.056 247.8)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0524

Colors that go with #27435d

Sienna, Blue and Blush Pink 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 →

#5d4127

#275d5d · #27285d

#5d2743 · #435d27

Split-complementary

Open in tool →

#5d2728 · #5d5d27

#5d275d · #5d4127 · #285d27

Contrast

#27435d as textRatioAAAA largeAAAFix
Aaon white
10.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #4779a9 as the text (4.58:1)
  • AAA: use #6f9ac3 as the text (7.09:1)
  • AA: or shift the background to #adadad (4.57:1)
  • AAA: or shift the background to #d6d6d6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27435d as the background.

Brands using this color

Fonts for this mood

#27435d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27435d
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 #27435d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27435d-9cacc4-df4e4e-1f212d-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