Color

#356e97

#356e97
hex#356e97
rgbrgb(53, 110, 151)
hslhsl(205, 48%, 40%)
oklchoklch(0.518 0.088 242.4)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1414

Colors that go with #356e97

Charcoal, Royal Blue 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 →

#975e35

#35978f · #353d97

#97356e · #6e9735

Split-complementary

Open in tool →

#97353d · #978f35

#8f3597 · #975e35 · #3d9735

Contrast

#356e97 as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #2c5b7d as the text (7.24:1)
Aaon black
3.83:1failpassfail
  • AA: use #3c7caa as the text (4.66:1)
  • AAA: use #609cc7 as the text (7.08:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #356e97 as the background.

Brands using this color

Fonts for this mood

#356e97 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #356e97
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 #356e97 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/356e97-9cafc4-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