Color

#354979

#354979
hex#354979
rgbrgb(53, 73, 121)
hslhsl(222, 39%, 34%)
oklchoklch(0.413 0.085 265.7)
Closest name: Assassin (#2d4f83)Relative luminance 0.069

Colors that go with #354979

Steel Blue, Blue and Cadet 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 →

#796435

#356b79 · #423579

#793549 · #497935

Split-complementary

Open in tool →

#794235 · #6b7935

#79356b · #796435 · #357942

Contrast

#354979 as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #5874b6 as the text (4.59:1)
  • AAA: use #7f95c7 as the text (7.03:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #354979 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#354979 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #354979
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 #354979 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/354979-9ca3c4-df6e4e-211f2d-e9eff1?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