Color

#356188

#356188
hex#356188
rgbrgb(53, 97, 136)
hslhsl(208, 44%, 37%)
oklchoklch(0.479 0.08 247.1)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1108

Colors that go with #356188

Charcoal, Sienna and Amber 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 →

#885c35

#358885 · #353888

#883561 · #618835

Split-complementary

Open in tool →

#883538 · #888535

#853588 · #885c35 · #388835

Contrast

#356188 as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #325c81 as the text (7.04:1)
Aaon black
3.22:1failpassfail
  • AA: use #4279a9 as the text (4.54:1)
  • AAA: use #689ac4 as the text (7.01:1)
  • AA: or shift the background to #d9d9d9 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #356188 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#356188 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #356188
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 #356188 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/356188-9cadc4-df4e51-1f212d-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