Color

#27415d

#27415d
hex#27415d
rgbrgb(39, 65, 93)
hslhsl(211, 41%, 26%)
oklchoklch(0.368 0.058 251.3)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.05

Colors that go with #27415d

Teal, Sienna and 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 →

#5d4327

#275d5d · #28275d

#5d2741 · #415d27

Split-complementary

Open in tool →

#5d2827 · #5d5d27

#5d275d · #5d4327 · #275d28

Contrast

#27415d as textRatioAAAA largeAAAFix
Aaon white
10.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #4879ad as the text (4.61:1)
  • AAA: use #739ac4 as the text (7.15:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27415d as the background.

Brands using this color

Fonts for this mood

#27415d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27415d
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 #27415d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27415d-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