Color

#34688d

#34688d
hex#34688d
rgbrgb(52, 104, 141)
hslhsl(205, 46%, 38%)
oklchoklch(0.498 0.081 241.9)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1255

Colors that go with #34688d

Charcoal, Royal Blue and Sienna 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 →

#8d5934

#348d86 · #343c8d

#8d3468 · #688d34

Split-complementary

Open in tool →

#8d343c · #8d8634

#86348d · #8d5934 · #3c8d34

Contrast

#34688d as textRatioAAAA largeAAAFix
Aaon white
5.98:1passpassfail
  • AAA: use #2f5d7f as the text (7.02:1)
Aaon black
3.51:1failpassfail
  • AA: use #3e7ca8 as the text (4.65:1)
  • AAA: use #639cc5 as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #34688d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#34688d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34688d
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 #34688d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34688d-9cafc4-df4e58-1f212d-e9f1f0?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