Color

#27679b

#27679b
hex#27679b
rgbrgb(39, 103, 155)
hslhsl(207, 60%, 38%)
oklchoklch(0.498 0.105 246.7)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.125

Colors that go with #27679b

Charcoal, Crimson and Royal 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 →

#9b5b27

#279b95 · #272d9b

#9b2767 · #679b27

Split-complementary

Open in tool →

#9b272d · #9b9527

#95279b · #9b5b27 · #2d9b27

Contrast

#27679b as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #235c8b as the text (7.06:1)
Aaon black
3.5:1failpassfail
  • AA: use #2e7ab8 as the text (4.59:1)
  • AAA: use #589dd5 as the text (7.2:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27679b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#27679b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27679b
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 #27679b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27679b-9cadc4-df4e53-1f212d-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