Color

#353db6

#353db6
hex#353db6
rgbrgb(53, 61, 182)
hslhsl(236, 55%, 46%)
oklchoklch(0.436 0.188 272.8)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0747

Colors that go with #353db6

Charcoal, Sea Green and Steel 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.

Real palettes that use #353db6

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b6ad35

#357eb6 · #6d35b6

#b6353d · #3db635

Split-complementary

Open in tool →

#b66d35 · #7eb635

#b6357e · #b6ad35 · #35b66d

Contrast

#353db6 as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #656cd2 as the text (4.63:1)
  • AAA: use #8c92de as the text (7.28:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353db6 as the background.

Brands using this color

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

Fonts for this mood

#353db6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353db6
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 #353db6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353db6-9e9cc4-df8f4e-241f2d-e9eef1?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